FAQs About the word stiffen

굳다

become stiff or stiffer, make stiff or stiffer, severely restrict in scope or extent

강화하다,강화,가혹해지다,단단하게 하다

용이함,적게,개선하다,온화한,부드럽게 하다

stiff-branched => 뻣뻣한 가지, stiff-backed => 뻣뻣한, stiff upper lip => 딱딱한 위쪽 입술, stiff gentian => 개고사리, stiff aster => 딱딱한 애스터,