stiffen, übersetzung im Collins English Cobuild & Thesaurus Wörterbuch

stiffen (stiffens 3rd person present) (stiffening present participle) (stiffened past tense & past participle )

1 verb If you stiffen, you stop moving and stand or sit with muscles that are suddenly tense, for example because you feel afraid or angry.
Ada stiffened at the sound of his voice... V

2  verb If your muscles or joints stiffen, or if something stiffens them, they become difficult to bend or move.
The blood supply to the skin is reduced when muscles stiffen.  V, Also V n
  Stiffen up means the same as stiffen., phrasal verb

3 verb If something such as cloth is stiffened, it is made firm so that it does not bend easily.
This special paper was actually thin, soft Sugiwara paper that had been stiffened with a kind of paste... be V-ed stiffen up
→ stiffen 2