stiffness

Misollar

She stretched to relieve the stiffness in her back.
You need a parameter to capture the stiffness of the metal.
Have you recently felt any unexplained pain or stiffness in your neck?

ot noun

Inelegance; a lack of relaxedness. His stiffness hampered the conversation.
Rigidity or a measure of rigidity.
Inflexibility or a measure of inflexibility.
Muscular tension due to unaccustomed or excessive exercise or work; soreness.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.