Synonyms|270Antonyms|105|Broader|3Narrower|13Related|183

43 entries under powerful topic. ×

1
ascend(verb, support, increase, establish, extend)
1
build up(verb, expression, phrasal verb, support, increase)
1
corroborate(verb, support, increase, establish, extend)
1
enlarge(verb, support, increase, establish, extend)
1
extend(verb, support, increase, establish)
1
heighten(verb, support, increase, establish, extend)
1
increase(verb, support, establish, extend, boost)
1
justify(verb, support, increase, establish, extend)
1
make firm(verb, expression, support, increase, establish)
1
make stronger(verb, expression, idiom, support)
1
mount(verb, support, increase, establish, extend)
1
multiply(verb, support, increase, establish, extend)
1
regenerate(verb, support, increase, establish, extend)
1
renew(verb, support, increase, establish, extend)
1
restore(verb, support, increase, encourage, establish)
1
rise(verb, support, increase, establish, extend)
1
set up(verb, expression, support, increase, establish)
1
sinew(verb, support, increase, establish, extend)
1
step up(verb, expression, support, increase, establish)
1
substantiate(verb, support, increase, establish, extend)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>