36 entries under verb topic. ×

8
tighten
4
forward(extend, tighten)
2
struggle
1
increase(noun, extend, tighten)
1
constrain
1
fasten
1
restrain
1
rise(noun, extend, tighten)
1
agitate(extend, tighten)
1
compact(loosen, condensed)
1
excite(extend, tighten)
1
extend
1
surge
0
abbreviate
0
compress
0
concentrate
0
constrict
0
cut
0
dilute
0
enlarge(extend, tighten)
<12>
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APASmart Define. (2015). slacken thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/slacken/thesaurus/antonyms
ChicagoSmart Define. 2015. "slacken thesaurus" https://smartdefine.org/slacken/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, slacken thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/slacken/thesaurus/antonyms>.
MLASmart Define. "slacken thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/slacken/thesaurus/antonyms>