- The definition of perishable is something that is likely to rot, spoil or go bad quickly.
Food that goes bad after just a few days is an example of something that would be described as a perishable food.
- Perishable is defined as something that will spoil or rot.
An example of a perishable is a head of lettuce.
Fish is a perishable food.
- per′ish·a·bil′i·ty, per′ish·a·ble·ness
(comparative more perishable, superlative most perishable)