鈍い

(1)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"

(2)学ぶ、あるいは理解するのが遅い

(3)知的な鋭敏さが不足すること

(4)(of a leaf shape) rounded at the apex

(5)（葉の形について）頂点が丸くなっている

(6)not having a sharp edge or point; "the knife was too dull to be of any use"

(7)鋭い縁または先端を持たない

(8)(of color) very low in saturation; highly diluted; "dull greens and blues"

(9)（色の）飽和が非常に引く

(10)非常に希釈される

(11)emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky"

(12)光をほとんど出さない、または反射しない

(13)not clear and resonant; sounding as if striking with or against something relatively soft; "the dull thud"; "thudding bullets"

(14)明確ではなく、共鳴しない

(15)比較的柔らかいもので、あるいは比較的柔らかいものを打つような音を出すこと

(16)not moving quickly; taking a comparatively long time; "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth"

(17)すばやく動かないさま

(18)比較的長い時間を要すること

(19)used of a knife or other blade; not sharp; "a blunt instrument"

(20)ナイフまたは他の刃に使われた

(21)鋭くない

(22)of an angle; between 90 and 180 degrees

(23)角度の

(24)90−180度の間に

(25)being or made softer or less loud or clear; "the dull boom of distant breaking waves"; "muffled drums"; "the muffled noises of the street"; "muted trumpets"

(26)より柔らかに、小さく、あるいは、明らかである、あるいはの状態にされる

(27)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

(28)洞察力または認識を欠くさま