Synonyms|1.3kAntonyms|412|Broader|19Narrower|42Related|784

122 entries under harden topic. ×

1
deaden(verb, dull, develop, rough, adjust)
1
discipline(verb, dull, develop, rough, adjust)
1
distend(verb, advance, increase, raise, rise)
1
dry(verb, close, set, fix, settle)
1
dull(verb, develop, rough, adjust, scratch)
1
embitter(verb, dull, develop, rough, adjust)
1
feed(verb, keep, maintain, encourage, raise)
1
fill(verb, give, charge, maintain, deliver)
1
fossilize(verb, close, set, fix, settle)
1
freeze(verb, close, set, fix, settle)
1
gather together(verb, expression, meet, join, link)
1
gel(verb, reinforce, thicken, stabilize)
1
habituate(verb, dull, develop, rough, adjust)
1
hang together(verb, expression, meet, join, link)
1
hook up with(verb, expression, idiom, meet, develop)
1
intertwine(verb, meet, join, link, connect)
1
keep together(verb, expression, meet, join, link)
1
make callous(verb, expression, dull, develop, rough)
1
numb(verb, dull, develop, rough, adjust)
1
paralyze(verb, dull, develop, rough, adjust)
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ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 1 October 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>