弛 - slacken, relax

to slacken; to loosen; to relax; to droop (e.g. loose or flabby skin); to sag (ceiling)

slack; slackening; sagginess; flabbiness (skin, etc.)

relaxation oscillation

atonic hemorrhage; atonic haemorrhage

relaxing; remitting; slackening

muscle relaxant

relaxation (e.g. of muscles); becoming flaccid

untiring; steady; persistent

unslacking; unceasing

tirelessly; perseveringly; without letting up

muscle relaxant

tension and relaxation