stale: Meaning and Definition of

stale

1. not fresh; vapid or flat, as beverages; dry or hardened, as bread.
2. musty; stagnant: stale air.
3. having lost novelty or interest; hackneyed; trite: a stale joke.
4. having lost freshness, vigor, quick intelligence, initiative, or the like, as from overstrain, boredom, or surfeit: He had grown stale on the job and needed a long vacation.
5. having lost force or effectiveness through absence of action, as a claim.

1. to make or become stale.

stale

1. (of livestock, esp. horses) to urinate.