Synonyms|396Antonyms|9|Broader|6Narrower|7Related|244
2
invigorating(verb, adjective, strengthening)
2
jelling(verb, congealing)
2
petrifaction
2
petrification(noun, freezing)
2
reinforcing(verb, strengthening)
2
sclerosis
2
seasoning
2
training
1
abidingness
1
acclimation
1
acclimatization
1
accommodation
1
accustom
1
adaption
1
adjustment
1
agglutination
1
alter
1
breaking
1
breaking-in
1
buttressing(verb, strengthening)
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APASmart Define. (2015). hardening thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardening/thesaurus/synonyms
ChicagoSmart Define. 2015. "hardening thesaurus" https://smartdefine.org/hardening/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, hardening thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardening/thesaurus/synonyms>.
MLASmart Define. "hardening thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/hardening/thesaurus/synonyms>