v. 1 thicken, coagulate, clot, harden, jell, set, solidify, congeal, crystallize Beat the egg-whites with a whisk until they stiffen 2 brace, reinforce, tauten, rigidify, toughen, strengthen The weak support was stiffened by means of a steel bar
STIFFEN
Meaning of STIFFEN in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012