I-adjective (keiyoushi)untiring; steady; persistent

I-adjective (keiyoushi)unslacking; unceasing

Nounslack; slackening; sagginess; flabbiness (skin, etc.) · dullness; letdown; depression; ennui

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

Nounrelaxing; remitting; slackening

I-adjective (keiyoushi)loose · lenient; lax · gentle (curve, slope, etc.)

Godan verb with 'mu' ending, Intransitive verbto become loose; to slacken (e.g. rope) · to become less tense; to relax; to let one's guard down · to slacken (e.g. coldness, supervision); to become lax

Godan verb with 'mu' ending, Intransitive verbto slacken; to loosen; to relax; to droop (e.g. loose or flabby skin); to sag (ceiling) · to slack off (e.g. one's work, attention); to not put one's heart in

Ichidan verb, Transitive verbto loosen; to slacken · to relax (attention, efforts, etc.); to let down (one's guard); to relieve (tension) · to relax (a rule); to ease (e.g. restrictions); to loosen (control)

Nounslack; looseness; play

Nountension and relaxation