Stale
Definition 1 of 4
Pro Tip 1/3
Food Quality
Stale often refers to bread or baked goods that are hard and dry from age. Stale cookies don't have that satisfying crunch anymore.
Pro Tip 2/3
Aged Beverages
'Stale' for drinks implies a loss of carbonation or flavor over time. The soda tasted flat and stale the day after opening.
Pro Tip 3/3
Figurative Use
In a broader sense, things like ideas can figuratively become 'stale'. The author's new book offered stale ideas recycled from his previous works.