Copyright © Philip M. Parker, INSEAD. Terms of Use.

Definition: Obtuse |
ObtuseAdjective1. Of an angle; between 90 and 180 degrees. 2. Of a leaf shape; rounded at the apex. 3. Lacking in insight or discernment; "too obtuse to grasp the implications of his behavior"; "a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin"- Jasper Griffin. 4. Slow to learn or understand; lacking intellectual acuity; "so dense he never understands anything I say to him"; "never met anyone quite so dim"; "although dull at classical learning, at mathematics he was uncommonly quick"- Thackeray; "dumb officials make some really dumb decisions"; "he was either normally stupid or being deliberately obtuse"; "worked with the slow students". Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
Date "obtuse" was first used in popular English literature: sometime before 1321. (references) |
Note: Obtuse \Ob*tuse"\ adjective. [Comparative Obtuser; superlative Obtusest.]. (references) |
| Domain | Definition |
Science | Rounded or blunt at the apex. (references) |
Source: compiled by the editor from various references; see credits. | |
Synonyms: ObtuseSynonyms: dense (adj), dim (adj), dull (adj), dumb (adj), purblind (adj), slow (adj). (additional references) |
| Antonym: acute (adj). (additional references) |
| Context | Synonyms within Context (source: adapted from Roget's Thesaurus). |
Angularity | Right angle; (perpendicular) a; obliquity; angle of x, miter; acute angle, obtuse angle, salient angle, reentering angle, spherical angle. |
Bluntness | Adjective: blunt, obtuse, dull, bluff; edentate, toothless. |
Imbecility Folly | Shallow, borne, weak, wanting, soft, sappy, spoony; dull, dull as a beetle; stupid, heavy, insulse, obtuse, blunt, stolid, doltish; asinine; inapt; prosaic; hebetudinous. |
Insensibility | Apathetic; leuco-, phlegmatic; dull, frigid; cold blooded, cold hearted; cold as charity; flat, maudlin, obtuse, inert, supine, sluggish, torpid, torpedinous, torporific; sleepy; (inactive); languid, half-hearted, tame; numbed; comatose; anaesthetic; stupefied, chloroformed, drugged, stoned; palsy-stricken. |
Physical Insensibility | Adjective: insensible, unfeeling, senseless, impercipient, callous, thick-skinned, pachydermatous; hard, hardened; case hardened; proof, obtuse, dull; anaesthetic; comatose, paralytic, palsied, numb, dead. |
| Source: adapted from Roget's Thesaurus. | |
Crosswords: Obtuse |
| English words defined with "obtuse": bitter dock, broad-leaved dock, Bull's-nose ♦ Groin ♦ Hebetate, Hogback ♦ Kneed ♦ Liroconite ♦ oblique, obtuse triangle, obtuse-angled triangle, obtuse-angular, Obtusion ♦ Pomarine jager, purblind ♦ Retund, Rumex obtusifolius ♦ Stubbed, Subobtuse ♦ yellow dock. (references) |
| Specialty definitions using "obtuse": Genter thickener ♦ oblique block. (references) |
| Etymologies containing "obtuse": Amblygon. (references) |
| "Obtuse" is generally used as an adjective (general or positive) -- approximately 100.00% of the time. "Obtuse" is used about 79 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted) |
| Parts of Speech | Percent | Usage per 100 Million Words | Rank in English |
| Adjective (general or positive) | 100% | 79 | 37,388 |
Source: compiled by the editor from several corpora; see credits.
Expressions using "obtuse": obtuse angle ♦ obtuse angular ♦ obtuse leaf ♦ obtuse pain ♦ obtuse point ♦ obtuse triangle. Additional references. | |
| Hyphenated Usage | |
Beginning with "obtuse": obtuse-angled, obtuse-angled triangle, obtuse-angular. | |
| Source: compiled by the editor from various references; see credits. | |
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day |
obtuse | 26 |
angle obtuse | 13 |
obtuse triangle | 12 |
define obtuse | 3 |
obtuse scalene triangle | 3 |
marginal obtuse | 2 |
| Source: compiled by the editor from various references; see credits. | |
| Language | Translations for "obtuse"; alternative meanings/domain in parentheses. | |
Albanian | pa majë (blunt), i trashë (bearish, clumsy, coarse, coarse grained, crass, deep, dense, dullish, dumb, dummy, fat, fatuous, fool, full-bodied, full-fed, gross, gruff, lardy, oafish, obese, puddingy, purblind, ropy, rough and ready, round, roundabout, slapstick, slow witted, slowcoach, stupid, tactless, thick, uncouth, viscous, wooden, wooden-headed), i topitur (blunt, dopey, dopy, dull, listless, torpid, unpointed), i mpirë (asleep, benumbed, dead, inert, lame, muscle bound, numb, stale, torpid). (various references) | |
Arabic | منفرج الزاوية, قليل الذكاء (hidebound), غير حاد, بليد (bovine, dim, doltish, dopey, dull, inanimate, lethargic, light minded, lumpish, passive, silly, sleepy, slow, slow moving, sluggish, stupid, thick-headed, torpid, unworkable). (various references) | |
Bulgarian | тъп (asinine, blunt, bovine, cloddish, crass, dense, dim, dim witted, dopey, dopy, dull, dumb, gross, hollow, impenetrable, lumpish, muddle-headed, opaque, puddingy, purblind, slow, sodden, stupid, thick, thick-headed, thick-witted, torpid, unpointed, wooden-headed). (various references) | |
Chinese | 遲 " (inactive), '. (various references) | |
Czech | omezený (circumscribed, dozy, fool, insular, limitative, limited, narrow, restricted, scanty, thickheaded, tight), tupý (blunt, brutish, cloddish, dense, dozy, dull, empty headed, indocile, mindful, pointless, stolid, stupid, thickheaded, torpid, vacant, vacuous), nechápavý (cimmerian, inept, slow witted). (various references) | |
Danish | stump (blunt, dull), sløv (blunt, dull). (various references) | |
Dutch | toonloos (dull, silent), stomp (blunt, dull), gesmoord (dull), dof (dull). (various references) | |
Esperanto | obtuza (dull), malinteligenta. (various references) | |
Faeroese | ótýðiligur (dull), ógreiður (dull, indistinct). (various references) | |
Farsi | منفرجه , کندذهن (Dimwit, Imbecile, Stupid), زاویه 09تا081درجه , بیحس (Callous, Impassive, Insensate, Insensible, Insensitive, Numb, Senseless, Unfeeling). (various references) | |
Finnish | tylsä (blunt, dull, dull-edged, inert), tylppä (blunt, dull). (various references) | |
French | obtus. (various references) | |
German | begriffsstutzig (dense, densely, inept, obtusely, slow). (various references) | |
Greek | κουτόσ (dense, purblind, stupid), αμβλύσ (blunt, dull, flat, pointless), αμβλύνουσ. (various references) | |
Hebrew | מטומטם (bird brained, dense, dopey, dullard, gaga, goon, half wit, halfwitted, imbecile, lame brain, lout, muddleheaded, oafish, sot, stupid, thickheaded, woodenheaded), ק"" (blunt, dull, set on edge, sour), עמום (abstruse, dim, faint, frosting, fuzzy, muzzy, obscure, opaque, tarnish, vague), כ"י (according to, amphoral, as much, in order to, so as to, so that, that, with a view to). (various references) | |
Hungarian | tompa (blunt, dim, dull, have a blunt edge, hollow, lustreless, matt, muffled, obscure, pastel shades, thick-headed), korlátolt (blunt-witted, borne, fatuous, illiberal, limited, narrow minded, narrow-minded, one track, petty-minded, philistine). (various references) | |
Indonesian | bodoh (dull, dumb, fool, hare-brained, idiot, wooden-headed). (various references) | |
Italian | spuntato (blunt, dull), smussato (blunt, dull), ottuso (blunt, dense, dolt, dull, fatwitted, logy, muffled, pointless, slow, slow witted, stuffy, thick, witless). (various references) | |
Japanese Kanji | 鈍' (obtuse angle). (various references) | |
Japanese Katakana | ど"かくさ"かくけい (obtuse triangle), ど"かく (obtuse angle). (various references) | |
Korean | 오b"어 모난 (obtuse-angular). (various references) | |
Manx | meayl (bald, bleak, bleak as place, hairless, hornless). (various references) | |
Pig Latin | obtuseay.(various references) | |
Portuguese | obtuso (blunt, dull, elephantine, purblind, stupid, unpointed). (various references) | |
Romanian | obtuz (blunt, dense, dull, lumpish, narrow minded, opaque), redus (backward, dense, low, reduced, scanty, small, stupid), mãrginit (dense, finite, illiberal, limited, little, local, low-minded, narrow, narrow minded, parochially, restricted, small), care pricepe greu. (various references) | |
Russian | тупой (blockish, blunt, dense, dim witted, dim-witted, doltish, dug, dull, fat-witted, goofy, gormless, heavy, logy, muddle-headed, pig-headed, po-faced, pointless, puddingy, purblind, slow witted, slow-witted, stolid, stupid, thick, timberheaded, timber-headed, wooden-headed), бестолковый (cock eyed, goofy, gormless, muddle-headed, slow witted), притупленный (seared). (various references) | |
Serbo-Croatian | tup (blank, blunt, cloddish, dull, hebetate, stolid), glup (anserine, asinine, brainless, calvish, cloddish, dense, dozy, dull, dumb, fat-witted, jerk, sheepish, silly, stupid, unintelligent). (various references) | |
Spanish | obtuso (blunt, dull), embotado (blunt, dull, thickheaded). (various references) | |
Swedish | vag (airy, diaphanous, foggy, impalpable, inarticulate, indefinite, indeterminate, intangible, loose, obscure, vague), trubbig vinkel, trubbig (blunt, blunted, pointless, retrousse), trögtänkt (slow on the uptake, slow witted, slow-thinking, slow-witted), trög (blockish, dull, flat, inactive, inert, languid, languorous, lifeless, lumpish, plodding, purblind, slow, slowcoach, sluggish, soggy, stick in the mud, stolid, tardy, unapt), slö (bovine, drowsy, dull, fat-witted, fishy, indolent, inert, languid, languorous, lazy, lethargic, sappy, slack, stagnant, supine), dov (aching, dull, hallow, hollow, muffled, stifled). (various references) | |
Thai | ทื่อ (dull), ทึ่ม (soggy). (various references) | |
Turkish | salak (country bumpkin, crazy, cretin, dimwitted, dolt, doltish, dope, dopey, fool, gullible, idiot, jerky, ninny, silly, stupid, sucker), kesmez, kalın kafalı (bonehead, bone-headed, chucklehead, dense, dim, dull, fat-headed, mutton head, numskull, slow on the uptake, slow witted, thick, thickheaded, thick-headed, thickskulled, thickwitted, wooden, woodenheaded), kör (blind, blind as a bat, blunt, disused, dull, mole-eyed, not sharp, sightless, stone blind, unseeing, unsighted), geniş (ample, broad, broadly, capacious, commodious, comprehensive, cosmic, cosmical, expansive, extended, extensive, full, large, open, roomy, spacious, splay, vast, walk in, wide), duygusuz (apathetic, apathetical, as cold as charity, bloodless, blunt, callous, coldhearted, conscience-proof, devoid of feelings, dull, frigid, hard-hearted, impassible, insensate, insensitive, marble, matter of fact, numb, phlegmatic, phlegmatical, senseless, soulless, steel, stolid, stony, unemotional, unfeeling, unmoved). (various references) | |
Turkmen | tьnt (blunt, stupid), keзje (stupid, wrong). (various references) | |
Ukrainian | тупокутний (obtuse-angled), тупокінцевий, тупий (asleep, bat-eyed, blockish, blunt, dense, dim witted, doughy, dull, logy, opaque, oscitant, pointless, slow witted, wooden, wooden-headed), глухий (atonic, backwoods, deaf, noteless, one horse, surd, unvoiced), нетямущий (bad, blunt, ignorant, indocile, non-teachable, slow), заглушений (muffled), приглушений (murmurous, muted, obscure, still, sullen, thick), дурний (anserine, asinine, balmy, bat-minded, bovine, cloddish, cracked, daft, dense, fatuous, featherbrained, fool, foolish, gawky, goofy, harebrained, idle-headed, mindless, mutton-headed, nonsensical, oafish, opaque, owlish, pigheaded, sappy, sottish, spoony, stockish, stupid, thoughtless). (various references) | |
Vietnamese | trì độn âm ỉ, cùn (edgeless, pointless). (various references) | |
Welsh | twp (dull, stupid), pw+l (blear, blunt, dim, dull), aflem. (various references) | |
| Source: compiled by the editor from various translation references. | ||
| Language | Period | Translations |
| Latin | 500 BCE-Modern | brutus, obtusi, obtusus, stolidus. (various references) |
| Source: compiled by the editor from various references. | ||
Derivations | |
Words beginning with "obtuse": obtusely, obtuseness, obtusenesses, obtuser, obtusest. (additional references) | |
| |
"Obtuse" is suggested in spellcheckers for the following: abtuse, Bocuse, obstruse, obsuse, obteuse, obtruse, obtuce, obtunema, obture, obtusa, obuse, obvus, ortus, ostus, Ottesen, otuse, ubuse. (additional references) | |
| Source: compiled by the editor, based on several corpora (additional references). | |
Scrabble® Enable2K-Verified Anagrams | |
Direct Anagrams: buteos. | |
| Words within the letters "b-e-o-s-t-u" | |
-1 letter: besot, bouse, bouts, buteo, butes, touse, tubes. | |
-2 letters: best, bets, bots, bout, bust, bute, buts, obes, oust, outs, stob, stub, suet, toes, tube, tubs. | |
-3 letters: bet, bos, bot, bus, but, obe, oes, ose, out, set, sob, sot, sou, sub, sue, toe, tub, use, uts. | |
-4 letters: be, bo, es, et, oe, os, so, to, us. | |
| Words containing the letters "b-e-o-s-t-u" | |
+1 letter: beshout, boletus, bosquet, obtuser, outbegs, subtone. | |
+2 letters: absolute, beshouts, besought, bosquets, bounties, bouquets, burstone, buxomest, doublets, doubters, obtrudes, obtusely, obtusest, outbakes, outbeams, outbless, outboxes, redoubts, robuster, saboteur, subdepot, subovate, subtones, troubles, tubenose, tuberose, tuberous, tubulose. | |
+3 letters: aboiteaus, absoluter, absolutes, autobuses, bathhouse, beauteous, beshouted, blousiest, blowtubes, bluecoats, bluestone, boathouse, boletuses, bounciest, bounteous, bourtrees, boutiques, breakouts, buhrstone, burgonets, burrstone, burstones, butanones, buttoners, combusted, curbstone, doubtless, dubonnets, eastbound, houseboat, isobutane, obfuscate, obscurest, obtruders, obtrusive, obturates, outblazes, outbleats, outbraves, outbreaks, outbreeds, outbribes, outfables, rebuttons, robustest, saboteurs, sauceboat, sobriquet, sodbuster, soubrette, subdepots, subeditor, subpotent, subrogate, subsector, sunbonnet, tabourers, tabourets, tenebrous, troublers, tubenoses, tuberoses, tubeworks, turbojets, unbonnets, westbound. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
| 1. Definition 2. Synonyms 3. Crosswords 4. Images: Slideshow | 5. Usage Frequency 6. Expressions 7. Expressions: Internet 8. Translations: Modern | 9. Translations: Ancient 10. Derivations 11. Anagrams 12. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.