stiffen

• Verbo utilizado para indicar la acción de volverse rígido, duro o menos flexible, o de hacer que algo se ponga rígido o tenso.

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.

   ponerse rígido

   • 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.

   Sinónimoscongealcrampfreezehardenrigidifysolidifytense uptighten

   Antónimosflexloosenrelaxsoften

2. Make rigidB1formal

   To cause something to become rigid or less flexible.

   endurecer

   • 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.

   Sinónimosbracefirmhardenrigidifysetsolidifytense

   Antónimosflexloosenrelaxsoften

3. Become more severe or strictB2formal

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

   endurecerse

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

   Sinónimosfirm uphardentightentoughen

   Antónimoseaseloosenmoderaterelaxsoften