12 entries under tighten topic. ×

4
forward(verb, extend)
1
increase(noun, verb, extend)
1
rise(noun, verb, extend)
1
agitate(verb, extend)
1
excite(verb, extend)
1
extend
0
enlarge(verb, extend)
0
grow(verb, extend)
0
intensify(verb, extend)
0
irritate(verb, extend)
0
prolong(verb, extend)
0
strengthen(verb, extend)
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APASmart Define. (2015). slacken thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/slacken/thesaurus/antonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/slacken/thesaurus/antonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/slacken/thesaurus/antonyms>