"Leftovers" is a plural noun. We use it to refer to the food that has not been eaten at the end of a meal.

"Leftovers" is a plural noun. We use it to refer to the food that has not been eaten at the end of a meal.

She gave the leftovers to her dog.

Plural nouns, like "leftovers", cannot be used with the article "a" (Don't say "a leftovers".) They also require a plural verb (We say "leftovers are", not "leftovers is".)

Your leftovers are in the fridge.

While this word is more common in the plural, the singular noun (leftover) can also be used in a general sense, to speak about something that still remains, even though it's not relevant or useful anymore.

The old table was a leftover from the Victorian era.

"Leftover" and "left over" are also adjectives that can be introduced to describe uneaten food or unused material. What's the difference between "leftover" and "left over"? Both have the same meaning; however, "leftover" can only be used before a noun.

Where is my leftover chicken?

We'll take whatever is left over.