stiffness

/S T IH1 F N AH0 S/
noun
  1. 1

    Rigidity or a measure of rigidity.

  2. 2

    Inflexibility or a measure of inflexibility.

  3. 3

    Inelegance; a lack of relaxedness.

    โ€œHis stiffness hampered the conversation.โ€

  4. 4

    Muscular tension due to unaccustomed or excessive exercise or work; soreness.

Source: https://en.wiktionary.org/wiki/stiffness