Synonyms|998Antonyms|255|Broader|18Narrower|5Related|244
8
tighten(verb, extend)
4
forward(verb, extend, tighten)
3
quicken
2
struggle
1
increase(noun, verb, extend, tighten)
1
advance
1
attach
1
boom
1
constrain
1
fasten
1
growth
1
restrain
1
rise(noun, verb, extend, tighten)
1
stretch
1
achieve
1
agitate(verb, extend, tighten)
1
compact(verb, loosen, condensed)
1
emerge
1
enact
1
excite(verb, extend, tighten)
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APASmart Define. (2015). slacken thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/slacken/thesaurus/antonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/slacken/thesaurus/antonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/slacken/thesaurus/antonyms>