Synonyms|998Antonyms|255|Broader|18Narrower|5Related|244
1
extend(verb, tighten)
1
surge
1
swell
1
tack
1
tangle
1
taut
1
tend
1
tension
1
thicken
1
think
1
tie
1
tightened
1
tightening
1
tightens
1
timorous
1
torture
1
transcend
1
tremulous
1
trigger
1
turbulent
For more, visit Slacken on Power Thesaurus
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). slacken thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/slacken/thesaurus/antonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/slacken/thesaurus/antonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/slacken/thesaurus/antonyms>