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slacken

slack·en

slacken

 
pronunciation:
slae kn
part of speech: transitive verb & intransitive verb
inflections: slackened, slackening, slackens
definition 1: to decrease activity, strength, speed, intensity, or the like.
As business slackened, management laid off workers.
antonyms:
quicken
similar words:
abate, let down, let up, loose, relax, relent, remit, slack, slow, subside
definition 2: to decrease tension or pressure.
antonyms:
tighten
similar words:
loosen, mollify, relax, slack