Slack up synonyms
Category:
Slackly.
To make or become less tense, taut, or firm; loosen:
To relax is defined as to become calm, to loosen, or to calm down.
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Find another word for slack up. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for slack up, like: slack, slacken and relax.