sztywna

In a sentence

• Atmosfera na spotkaniu była sztywna.

  The atmosphere at the meeting was stiff.

  Here, 'sztywna' (stiff) describes the uncomfortable or formal ambience of the meeting.

• Ten materiał jest bardzo sztywny i trudno go zginać.

  This material is very stiff and hard to bend.

  In this sentence, 'sztywny' (stiff) characterizes the physical property of the material, indicating rigidity and inflexibility.

• Po treningu miałem sztywne mięśnie.

  After the training, I had stiff muscles.

  The term 'sztywne' (stiff) is used to describe the physical condition of the muscles after intense activity, implying soreness or reduced flexibility.