103 entries under harden topic. ×

1
close ranks(verb, expression, meet, join, link)
1
coadjute(verb, meet, join, combine, link)
1
fossilize(verb, close, set, fix, settle)
1
gather together(verb, expression, meet, join, link)
1
gelate(verb, form, set, fix, develop)
1
gird(verb, close, set, fix, settle)
1
glaciate(freeze, bite, chill, nip)
1
intertwine(verb, meet, join, link, connect)
1
jellify(verb, form, set, fix, develop)
1
keep together(verb, expression, meet, join, link)
1
nerve(verb, close, set, fix, settle)
1
pierce(freeze, bite, chill, nip)
1
refrigerate(set, freeze, chill, thicken)
1
rigidify(verb, place, set, secure, settle)
1
stay together(verb, expression, meet, join, link)
1
steady(verb, place, set, fix, secure)
1
steel(verb, close, set, fix, settle)
1
temper(verb, close, set, fix, settle)
1
throw in with(verb, expression, idiom, meet, join)
1
toughen(verb, close, set, fix, settle)
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APASmart Define. (2016). solidify thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/solidify/thesaurus/synonyms
ChicagoSmart Define. 2016. "solidify thesaurus" https://smartdefine.org/solidify/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, solidify thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/solidify/thesaurus/synonyms>.
MLASmart Define. "solidify thesaurus" 5 February 2016. Web. 24 September 2026. <https://smartdefine.org/solidify/thesaurus/synonyms>