stiffen (48 synonym found)

Stiffen has 48 synonyms. The top synonyms for stiffen are amplify, be tough, beef up, brace up, case harden, clot, coagulate, confirm and 40 more. Browse the full list below.


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Frequently asked questions

What is a synonym for stiffen?

A common synonym for stiffen is amplify. Other synonyms include be tough, beef up, brace up, case harden.

How many synonyms does stiffen have?

Stiffen has 48 synonyms listed on Thesaurasize.

What does stiffen mean?

(v): to make stiff; to become stiff


Definition of stiffen:

(v) : to make stiff; to become stiff
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Definition of stiffen:

(v) : to make stiff; to become stiff
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