Thesaurus

stiffen

verb

Synonyms and Antonyms of STIFFEN

to make more harsh, uncompromising, or severe <plans to further stiffen the already onerous requirements for admission to the elite military unit>
Near Antonyms lessen, moderate, soften
Antonyms ameliorate, ease

April 25, 2015
lissome Hear it
nimble or easily flexed
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears