FAQs About the word stiffen

Raidir

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

renforcer,durcir,durcir,durcir

facilité,moins,améliorer,modéré,amollir

stiff-branched => à rameaux raides, stiff-backed => raide, stiff upper lip => Lèvre supérieure raide, stiff gentian => Gentiane digitale, stiff aster => Aster rameux,