鈍い

(1) 学ぶ、あるいは理解するのが遅い知的な鋭敏さが不足すること(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")(slow to learn or understand)(lacking intellectual acuity)

⇒鈍臭い生徒と一緒に働いた(lacking intellectual acuity)

(2) （葉の形について）頂点が丸くなっている((of a leaf shape) rounded at the apex)

(3) 鋭い縁または先端を持たない(not having a sharp edge or point; "the knife was too dull to be of any use")(not having a sharp edge or point)

⇒ナイフは、あまりに鈍くてどんなものも切ることができなかった(not having a sharp edge or point)

(4) （色の）飽和が非常に引く非常に希釈される((of color) very low in saturation; highly diluted; "dull greens and blues")((of color) very low in saturation)(highly diluted)

⇒濁った緑と青(highly diluted)

(5) 光をほとんど出さない、または反射しない(emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky")(emitting or reflecting very little light)

⇒どんよりした空(emitting or reflecting very little light)

(6) 明確ではなく、共鳴しない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(not clear and resonant; sounding as if striking with or against something relatively soft; "the dull thud"; "thudding bullets")(not clear and resonant)(sounding as if striking with or against something relatively soft)

⇒弾丸をドンと打つこと(sounding as if striking with or against something relatively soft)

(7) すばやく動かないさま比較的長い時間を要すること(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")(not moving quickly)(taking a comparatively long time)

⇒遅いが、安定した成長(taking a comparatively long time)

(8) ナイフまたは他の刃に使われた鋭くない(used of a knife or other blade; not sharp; "a blunt instrument")(used of a knife or other blade)(not sharp)

⇒鈍器(not sharp)

(9) 角度の90−180度の間に(of an angle; between 90 and 180 degrees)(of an angle)(between 90 and 180 degrees)

(10) 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(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")(being or made softer or less loud or clear)

⇒音が控えめであるトランペット(being or made softer or less loud or clear)

(11) 洞察力または認識を欠くさま(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)(lacking in insight or discernment)

⇒歴史がごみ箱行きを宣告していることに目を向けるのを断固拒否した愚鈍な寡頭政治−ジャスパー・グリフィン(lacking in insight or discernment)