・the nicety of one's powers of observation.

・The job called for nicety of judgment. その仕事は判断の正確さを必要とした.

2a (処理の)微妙さ, 精妙さ; 扱いにくさ, 困難さ.

・a point [matter, question] of extreme nicety きわめて微妙な点[事柄, 問題].

・the nicety of diplomatic talks 外交会談の微妙な[きわどい]駆け引き.

b [通例 pl.] 微妙[精妙]な点; 詳細, 委細.

・niceties of workmanship 細工の細かさ.

・observe niceties of syntax 文法の細かい点を守る.

・the niceties of an argument [evidence] 議論[証拠]の詳細.

・He left the niceties of composition to his secretary. 彼は文の細かなところは秘書に任せた.

3 (趣味・感情の)繊細, 潔癖, 気難しさ (fastidiousness).