8
thin(verb, adjective, reduce, diluted)
4
contract
4
melt(verb, reduce, thin)
3
dilute(verb, reduce, thin, weaken, thinner)
3
liquefy(verb, reduce, thin)
3
water down(verb, expression, phrasal verb, reduce, thin)
2
attenuate
2
lessen(verb, reduce, thin)
2
shrink(verb, reduce, thin)
2
weaken(verb, reduce, thin)
1
deliquesce
1
diminish(verb, reduce, thin)
1
mitigate
1
reduce(verb, thin)
1
resolve
1
soften(verb, reduce, thin)
1
thaw
1
water
0
abate
0
abbreviate
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APASmart Define. (2015). thicken thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/thicken/thesaurus/antonyms
ChicagoSmart Define. 2015. "thicken thesaurus" https://smartdefine.org/thicken/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, thicken thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/thicken/thesaurus/antonyms>.
MLASmart Define. "thicken thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/thicken/thesaurus/antonyms>