65 entries under solidify topic. ×

1
become rigid(verb, expression, harden, congeal)
1
calcify(verb, close, set, fix, settle)
1
close(verb, set, fix, settle, firm)
1
densify(verb, close, set, fix, settle)
1
dry(verb, close, set, fix, settle)
1
fossilize(verb, close, set, fix, settle)
1
gelate(verb, form, set, fix, develop)
1
gird(verb, close, set, fix, settle)
1
indurate(verb, close, set, fix, settle)
1
nerve(noun, verb, close, set, fix)
1
press(verb, close, set, fix, settle)
1
prop(verb, strengthen, reinforce, harden, stabilize)
1
steady(verb, place, set, secure, settle)
1
steel(verb, close, set, fix, settle)
1
temper(verb, close, set, fix, settle)
1
toughen(verb, close, set, fix, settle)
1
vitrify(verb, close, set, fix, settle)
0
become firm(verb, expression, fix, harden)
0
become hard(verb, expression, harden)
0
benumb(verb, strengthen, reinforce, harden, stabilize)
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APASmart Define. (2015). thicken thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thicken/thesaurus/synonyms
ChicagoSmart Define. 2015. "thicken thesaurus" https://smartdefine.org/thicken/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, thicken thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thicken/thesaurus/synonyms>.
MLASmart Define. "thicken thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/thicken/thesaurus/synonyms>