(פ') להקשות; להתקשות

v. make stiff, make rigid; become stiff, become rigid

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Verb
1. become stiff or stiffer; "He stiffened when he saw his boss enter the room"
(antonym) loosen, relax, loose
(hypernym) change
(hyponym) rigidify
(derivation) stiffening
2. make stiff or stiffer; "Stiffen the cream by adding gelatine"
(antonym) loosen, loose
(hypernym) change, alter, modify
(hyponym) starch
(derivation) stiffener
3. restrict; "Tighten the rules"; "stiffen the regulations"
(synonym) tighten, tighten up, constrain
(hypernym) restrict, restrain, trammel, limit, bound, confine, throttle

adv. stiffly

adj. stiff

v. strnout; ztuhnout; zpevnit (se); vyztužit (se)

Czas. sztywnieć; usztywniać