Synonyms|270Antonyms|105|Broader|3Narrower|13Related|183

50 entries under close topic. ×

3
ossify(verb, set, fix, settle)
3
petrify(verb, set, fix, settle)
3
vitrify(verb, set, fix, settle)
2
amalgamate(verb, set, fix, settle)
2
bake(verb, set, fix, settle)
2
cement(verb, set, fix, settle)
2
concrete(verb, set, firm, dry)
2
congeal(verb, set, fix, settle)
2
contract(verb, set, fix, settle)
2
crystallize(verb, set, fix, settle)
2
densify(verb, set, fix, settle)
2
firm(verb, set, fix, settle)
2
fix(verb, set, settle, firm)
2
precipitate(verb, set, fix, settle)
2
press(verb, set, fix, settle)
2
set(verb, support, fix, settle)
2
settle(verb, set, fix, firm)
2
solidify(verb, set, fix, settle)
2
starch(verb, set, fix, settle)
1
cake(verb, set, fix, settle)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>