FAQs About the word stiffen

Endurecer

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

fortalecer,endurecer,agravar,endurecer

facilidade,menos,melhorar,moderado,amaciar

stiff-branched => de ramos rígidos, stiff-backed => rígido, stiff upper lip => Lábios superiores rígidos, stiff gentian => Genciana-azul, stiff aster => Aster rígido,