341 entries under verb topic. ×

2
secure(calm, place, set, fix)
2
settle(calm, close, set, fix)
2
shore up(expression, support, increase, sustain)
2
square
2
stabilize(calm, place, set, fix)
2
steady(calm, place, set, fix)
2
stroke(support, increase, keep, maintain)
2
vitrify(close, set, fix, settle)
1
acclimate(dull, close, set, develop)
1
acclimatize(dull, close, set, develop)
1
accustom(dull, develop, rough, adjust)
1
adapt(dull, develop, rough, adjust)
1
add fuel to fire(expression, idiom, support, increase)
1
add to(expression, support, increase, sustain)
1
adjust(dull, develop, rough, scratch)
1
affix(place, set, fix, secure)
1
amalgamate(close, set, fix, settle)
1
anchor(place, set, fix, secure)
1
angel(keep, maintain, encourage, raise)
1
anneal(close, set, fix, settle)
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APASmart Define. (2015). stiffen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, stiffen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>.
MLASmart Define. "stiffen thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms>