Synonym: blunt, dense, dull, slow, slow-witted, stupid. Similar words: obtuseness, obtain, obtrusive, unobtrusive, unobtrusively, tusk, lotus, hiatus. Meaning: [əb'tuːs /-'tju-] 
adj. 1. of an angle; between 90 and 180 degrees 2. of a leaf shape; rounded at the apex 3. lacking in insight or discernment 4. slow to learn or understand; lacking intellectual acuity.
adj. 1. of an angle; between 90 and 180 degrees 2. of a leaf shape; rounded at the apex 3. lacking in insight or discernment 4. slow to learn or understand; lacking intellectual acuity. 
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31. Graders will be instructed to take off points for convoluted and obtuse descriptions.
32. Look up words and concepts like abacus, Thales' theorem, obtuse triangle and a lot more in this special site.
33. The Passion of the Christ powerfully moving and fanatically obtuse in equal doses.
34. For all your energy and brains, you are gloriously obtuse about new realities.
35. If you test by the triangle's angles, possible types are right, acute, obtuse, or equiangular.
36. Use the vector dot product to find the obtuse angle between two diagonals of a cube.
37. Firstly, it demonstrates the reason of changing the right angle plate into an obtuse angle one and the influence of the lifting plate 's geometry shape on the cooling effect.
38. At time he was almost seductively charming; at other times he was boorish and obtuse.
39. Two opposite corners of this rhomb contain three obtuse angles of 101? ? 55 '.
40. She seemed a bit obtuse, unfunny, yet wanted desperately to please me.
41. European dock with broad obtuse leaves and bitter rootstock common as a weed in North America.
42. It is indicated that the deformation failure is significantly influenced by a key position of obtuse angle between roadway sections and incline directions of rock strata.
43. It also permits flexibility , viewing at obtuse angles, and, in some cases, visibility from both sides.
44. At the time, I was too obtuse to grasp the true implications of her behavior.
45. Even the most obtuse men perceived something special in Noelle.
46. Further, a cathode voltage line and a scan driver each may include an edge part formed in an obtuse angle .
47. Leaf blade oblanceolate, to 20 cm, apex obtuse or rounded.
48. Two opposite corners of this rhomb contain three obtuse angles of 101°95'.
49. When the anterior horn of lateral ventricles appears, the extended lines of bilateral anterior rami of lateral sulcus intersect on the superior aspect of the genu of corpus callosum by obtuse angle.
50. It has been demonstrated that the design with an obtuse angle shape at the volute throat delivered the optimal hydraulic efficiency due to the improvement of the flow conditions inside the volute.
51. The charge of class war is particularly obtuse. Consider simply these two facts.
52. I'm a limited and obtuse clergyman while you're the expert.
53. The obtuse editor did not know he was being nibbled at.
54. Fruit an aggregate, spicate, 10-12 cm long; follicles long ellipsoid, obovoid or ovoid,[www.Sentencedict.com] apex obtuse or abruptly mucronate.
55. Leaves alternate, sessile, terete, fleshy, base expanded, apex obtuse or aristate awned; leaf axil fascicular pilose.
56. Subshrubs, or woody stems specialized into tuberous caudex, or absent; anthers without appendage; leaves obtuse or acute at apex, sometimes with blunt spines.
57. They'd have his last known address. Names of relatives... (Norton shakes his head) Well it's a chance. isn't it? How can you be so obtuse?
More similar words: obtuseness, obtain, obtrusive, unobtrusive, unobtrusively, tusk, lotus, hiatus, tussle, status, impetus, quietus, detritus, afflatus, contusion, status quo, apparatus, prospectus, golgi apparatus.