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SLACKEN Antonyms

There are 6 antonyms of the word slacken. (opposite meanings)
Also try opposite words for..
slackensslackenedslackening

Best Opposite Words For SLACKEN

RankWordSave?Synonyms..UsageType
1fasten
verbv
2firm
noun, adjectiven, adj
3secure
adjectiveadj
4strengthen
verbv
5tense
noun, adjectiven, adj
6tighten
verbv

Alternatives for FASTEN

Alternatives for FIRM

Alternatives for SECURE

Alternatives for STRENGTHEN

Alternatives for TENSE

Alternatives for TIGHTEN

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