staler , stalest
Stale food is no longer fresh or good to eat.
Their daily diet consisted of a lump of stale bread, a bowl of rice, and stale water.
他们的日常饮食包括一块不新鲜的面包、一碗米饭,还有变味的水。
Stale air or smells are unpleasant because they are no longer fresh.
the smell of stale sweat.
汗臭味。
If you say that a place, an activity, or an idea is stale, you mean that it has become boring because it is always the same.
Her relationship with Mark has become stale.
她和马克的关系已变得乏味了。