Staleness is the condition of being old, uninteresting, or no longer fresh. When bread sits on the counter for days, it develops staleness: it gets hard, dry, and less appealing. When ideas or jokes develop staleness, they've been repeated so many times that they've lost their spark.

You can feel staleness in different contexts. A comedian's routine might suffer from staleness if she tells the same jokes for years without creating new material. A friendship can develop a kind of staleness if two people fall into boring, repetitive patterns instead of having real conversations. Even winning can feel stale: a chess champion might feel staleness creeping in after using the same opening moves hundreds of times.

The opposite of staleness is freshness: the quality of being new, exciting, and full of life. Fighting staleness can mean trying something different, taking a risk, or looking at familiar things in new ways. Noticing staleness in your own routines or thinking can be a sign that you're ready to grow, learn something new, or shake things up.