れいせい 冷静 Common word JLPT N3 Wanikani level 28 Play audio Show 1 collocation 冷静になる - to collect oneself LinksSentence search for 冷静Sentence search for れいせいKanji details for 冷 and 静Edit in JMdict Noun, Na-adjective (keiyodoshi)1. calmness; composure; coolness; serenity; presence of mind Discussions Log in to talk about this word.