Synonyms|60Antonyms|12|Broader|0Narrower|0Related|44

22 entries under verb topic. ×

4
firms(hardens, tightens)
4
hardens
4
solidifies
4
tightens
2
congeals
2
reinforces
2
stiffen
2
tenses
2
toughens
1
coagulates
1
constrains
1
fixes
1
fortifies
1
petrifies
1
reduces
1
restricts
1
secures
1
strengthens
1
thickens
0
fastens
<12>
For more, visit Stiffens on Power Thesaurus
13 years ago|2k views|share |citing 
APASmart Define. (2013). stiffens thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiffens/thesaurus/synonyms
ChicagoSmart Define. 2013. "stiffens thesaurus" https://smartdefine.org/stiffens/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, stiffens thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiffens/thesaurus/synonyms>.
MLASmart Define. "stiffens thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/stiffens/thesaurus/synonyms>