Synonyms|40Antonyms|9|Broader|0Narrower|0Related|22
1
invigorates(verb, strengthens)
1
props(verb, strengthens)
1
seasons
1
steels
1
tightens
1
toughened
1
vivifies(verb, strengthens)
0
bad
0
develops
0
endures
0
erodes
0
firms
0
hard
0
rugged
0
sizes
0
sturdy
0
sustains
0
tolerates
0
tough
0
weathers
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APASmart Define. (2013). toughens thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/toughens/thesaurus/synonyms
ChicagoSmart Define. 2013. "toughens thesaurus" https://smartdefine.org/toughens/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, toughens thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/toughens/thesaurus/synonyms>.
MLASmart Define. "toughens thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/toughens/thesaurus/synonyms>