Synonyms|998Antonyms|255|Broader|18Narrower|5Related|244
1
turn
1
upset
1
uptight
1
urge
1
vanquish
1
vengeful
1
verify
1
wallop
1
wan
1
watch
1
wax
1
whet
1
work
1
worry
1
yeasty
0
tense
0
abbreviate
0
able
0
accelerate
0
accentuate
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APASmart Define. (2015). slacken thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slacken/thesaurus/antonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slacken/thesaurus/antonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/slacken/thesaurus/antonyms>