Synonyms|576Antonyms|83|Broader|17Narrower|5Related|326

341 entries under verb topic. ×

1
prop up(expression, support, increase, sustain)
1
provide for(expression, keep, maintain, encourage)
1
punch up(expression, support, increase, encourage)
1
put up money for(expression, idiom, keep, maintain)
1
raise(keep, maintain, encourage, back)
1
reduce
1
regulate
1
render insensitive(expression, dull, develop, rough)
1
restrict
1
rivet(place, set, fix, secure)
1
root(place, set, secure, settle)
1
roughen(dull, develop, rough, adjust)
1
season(dull, close, set, develop)
1
set up(expression, keep, maintain, encourage)
1
soup up(expression, support, increase, sustain)
1
sponsor(keep, maintain, encourage, raise)
1
stake(keep, maintain, encourage, raise)
1
stand up for(expression, idiom, support, increase)
1
starched(close, set, fix, firm)
1
stay put(expression, place, set, secure)
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APASmart Define. (2015). stiffen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, stiffen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>.
MLASmart Define. "stiffen thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms>