緩

relief, mitigation, alleviation, relaxation, softening

loose, slack, gentle, easy, slow, lenient, liberal, lax

to loosen, to slow down

to 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, to become softer (e.g. ground, facial expression), (of ice) to partially melt, to decrease (e.g. speed), (of a market price) to go down slightly

pace, tempo, slow and fast, in case of emergency

lukewarm, tepid, lenient, slow, stupid

slack, looseness

loose, lenient, lax, gentle (curve, slope, etc.), slow, weak, soft, not firm

slow, sluggish, dull

buffer zone