Noun, Suru verb, Intransitive verbrelaxation (e.g. of muscles); becoming flaccid

Adverb (fukushi), Taru adjectivelooking cool and collect; with an air of perfect composure

Taru adjective, Adverb taking the 'to' particlecomposed and unhurried; easygoing and leisurely; in indolence

Nounlack of (slackness in) military discipline; demoralization