127 entries under set topic. ×

3
bake(verb, close, settle, firm)
3
cement(verb, close, develop, secure)
3
densify(verb, close, settle, firm)
3
inspissate(verb, swell, strengthen, dry)
3
settle(verb, close, develop, secure)
2
close(verb, settle, firm, solid)
2
condense(verb, form, develop, secure)
2
connect(verb, place, meet, develop)
2
contract(verb, close, settle, firm)
2
establish(verb, support, place, increase)
2
form(verb, develop, firm, combine)
2
gelatinize(verb, form, fix, develop)
2
jelly(verb, form, develop, combine)
2
precipitate(verb, close, settle, firm)
2
press(verb, close, settle, firm)
2
stabilize(verb, place, develop, secure)
1
accumulate(verb, form, develop, progress)
1
acquire(verb, form, develop, progress)
1
affix(verb, place, fix, secure)
1
anchor(verb, place, fix, secure)
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APASmart Define. (2016). harden thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/harden/thesaurus/synonyms
ChicagoSmart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, harden thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>.
MLASmart Define. "harden thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms>