slacken

To slacken is to loosen the tension on or tightness of something. If you slacken the clothesline any more, the clothes will be on the ground next time you hang out the wash.

Slacken, in the "to loosen" sense, can also be used figuratively. Because you have been so responsible, we're going to slacken the rules about curfew on non-school nights and let you stay out an hour later. Slacken also means to slow down or make less active. If you are in a sprint race, you won't want to slacken your pace until after you cross the finish line or you might not win.

Definitions of slacken
1

v become slow or slower

Synonyms:
slack, slow, slow down, slow up
Type of:
weaken
become weaker

v make less active or fast

“He slackened his pace as he got tired”
Synonyms:
relax, slack, slack up
Type of:
decrease, lessen, minify
make smaller

v become looser or slack

“the rope slackened
Type of:
weaken
become weaker

v make slack as by lessening tension or firmness

Synonyms:
remit
Types:
douse, dowse
slacken
Type of:
loose, loosen
make loose or looser

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