21
congeal(verb, form, close, place, set)
21
harden(verb, form, close, place, set)
19
jell(verb, close, set, fix, settle)
17
solidify(verb, form, close, place, set)
15
coagulate(noun, verb, form, close, set)
15
inspissate(verb, set, solid, strengthen, condense)
15
set(verb, form, close, fix, develop)
15
stiffen(verb, form, close, place, set)
13
condense(verb, form, set, develop, secure)
11
clot(noun, verb, form, close, set)
10
curdle(noun, verb, close, change, set)
10
enlarge(verb, set, advance, increase, open)
10
expand(verb, set, advance, increase, develop)
9
cake(verb, close, set, fix, settle)
9
gel(verb, form, set, develop, combine)
7
broaden(verb, advance, increase, open, develop)
7
fatten(verb, increase, open, develop, extend)
7
fortify(verb, close, set, fix, develop)
7
grow(verb, increase, open, develop, raise)
7
increase(verb, advance, open, develop, turn)
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APASmart Define. (2015). Thicken thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/thicken/thesaurus/synonyms
ChicagoSmart Define. 2015. "Thicken thesaurus" https://smartdefine.org/thicken/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, Thicken thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/thicken/thesaurus/synonyms>.
MLASmart Define. "Thicken thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/thicken/thesaurus/synonyms>