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3 definitions found
 for obtuse
From The Collaborative International Dictionary of English v.0.48 :

  Obtuse \Ob*tuse"\ a. [Compar. Obtuser; superl. Obtusest.]
     [L. obtusus, p. p. of obtundere to blunt: cf. F. obtus. See
     Obtund.]
     1. Not pointed or acute; blunt; -- applied esp. to angles
        greater than a right angle, or containing more than ninety
        degrees.
        [1913 Webster]
  
     2. Not having acute sensibility or perceptions; not alert,
        especially to the feelings of others; dull; stupid; as,
        obtuse senses. --Milton.
        [1913 Webster]
  
     3. Dull; deadened; as, obtuse sound. --Johnson.
        [1913 Webster] Obtuse-angled

From WordNet (r) 3.0 (2006) :

  obtuse
      adj 1: of an angle; between 90 and 180 degrees [ant: acute]
      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 [syn: obtuse, purblind]
      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" [syn: dense, dim, dull, dumb,
         obtuse, slow]

From Moby Thesaurus II by Grady Ward, 1.0 :

  118 Moby Thesaurus words for "obtuse":
     abrupt, affectless, anesthetized, arctic, asleep, autistic,
     benumbed, bluff, blunt, blunt-edged, blunt-ended, blunt-pointed,
     blunt-witted, blunted, bluntish, boneheaded, callous, catatonic,
     chill, chilly, cloddish, cold, cold as charity, cold-blooded,
     coldhearted, cool, dead, deadened, dense, dim, dim-witted,
     dispassionate, doltish, dopey, drugged, dull, dull of mind,
     dull-edged, dull-headed, dull-pated, dull-pointed, dull-witted,
     dulled, dullish, edgeless, emotionally dead, emotionless, faired,
     fat-witted, frigid, frosted, frosty, frozen, gross-headed,
     heartless, heavy, hebetudinous, icy, immovable, impassible,
     impassive, imperceptive, impercipient, inexcitable, insensate,
     insensible, insensitive, insentient, insusceptible, loutish,
     lumpish, mentally retarded, nonemotional, numb, numbed, oafish,
     obdurate, objective, out of touch, passionless, pointless, rounded,
     self-absorbed, simple, slow, slow-witted, sluggish, smoothed,
     soulless, spiritless, stolid, thick, thick-brained, thick-headed,
     thick-pated, thick-skinned, thick-witted, thickheaded,
     thickskulled, unaffectionate, unedged, unemotional, unfeeling,
     unfelt, unimpassioned, unimpressionable, unloving, unpassionate,
     unperceptive, unpointed, unresponding, unresponsive, unsharp,
     unsharpened, unsusceptible, unsympathetic, untouchable, wooden
  
  

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