stiffen

• Глагол, используемый для обозначения действия становления жёстким, твёрдым или менее гибким, или придания чему-либо жёсткости.

A verb used to indicate the act of becoming rigid, firm, or less flexible, or making something rigid.

1. Become rigidB1formal

   To become physically rigid or less flexible, often due to cold, fear, or injury.

   Затвердеть

   • Her muscles stiffened after the long run.
   • The fabric stiffened when it dried in the sun.
   • He stiffened with fear when he heard the noise.

   Synonymscongealcrampfreezehardenrigidifysolidifytense uptighten

   Antonymsflexloosenrelaxsoften

2. Make rigidB1formal

   To cause something to become rigid or less flexible.

   Сделать жёстким

   • The cold weather stiffened the rubber hose.
   • Add starch to stiffen the collar of the shirt.
   • The glue stiffened the paper into a hard sheet.

   Synonymsbracefirmhardenrigidifysetsolidifytense

   Antonymsflexloosenrelaxsoften

3. Become more severe or strictB2formal

   To become more severe, strict, or determined in attitude or policy.

   Ужесточить

   • The government stiffened the penalties for tax evasion.
   • Her resolve stiffened as she faced the challenge.
   • The company stiffened its rules on workplace safety.

   Synonymsfirm uphardentightentoughen

   Antonymseaseloosenmoderaterelaxsoften