leftover

• left over, left-over

From left (“remaining, abandoned”) + over (“excess”).

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leftover (not comparable)

1. Remaining; left behind; extra; odd; in reserve.

   Do you want some of the leftover supplies from the event?

   I have some leftover spaghetti in the fridge, so I don't plan to cook tonight.

• When used after a verb (as part of a predicate phrase), use two separate words:

  I can walk for miles and still have energy left over.

leftover (plural leftovers)

1. Something left behind; an excess or remainder.

   It's a leftover from yesterday, but it's still perfectly good.

2. (chiefly in the plural, usually of food) Remaining after a meal is complete or eaten for a later meal or snack.

   Not leftovers again!

   The entire wheel of cheese is a leftover from the party.