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

79 entries under support topic. ×

1
increase(verb, establish, extend, boost)
1
justify(verb, increase, establish, extend)
1
lend a hand(verb, expression, idiom, increase)
1
make firm(verb, expression, increase, establish)
1
make stronger(verb, expression, idiom, powerful)
1
mount(verb, increase, establish, extend)
1
multiply(verb, increase, establish, extend)
1
pick up(verb, expression, increase, boost)
1
pillar(verb, increase, boost, sustain)
1
powerful(verb, increase, establish, extend)
1
prepare(verb, encourage, restore, uphold)
1
prop up(verb, expression, increase, boost)
1
punch up(verb, expression, increase, boost)
1
regenerate(verb, increase, establish, extend)
1
renew(verb, increase, establish, extend)
1
restore(verb, increase, encourage, establish)
1
rise(verb, increase, establish, extend)
1
set up(verb, expression, increase, establish)
1
sinew(verb, increase, establish, extend)
1
soup up(verb, expression, increase, sustain)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>