staleness

noun
UK /ˈsteɪlnəs/
US /ˈsteɪlnəs/

The quality of being old and no longer fresh.

The staleness of the bread made it hard to eat.


OTHER MEANINGS

2. The state of being dull or boring because it has been done or said too many times.

The staleness of the jokes made the audience groan.

3. A lack of new ideas or energy in a situation or activity.

The team's staleness showed after months of doing the same drills.

4. The condition of air that is not fresh or is stuffy.

The staleness of the room made everyone sleepy.