leftover

adj

1. (not-comparable)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.”

noun

1. Something left behind; an excess or remainder.

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

2. (in-plural, usually)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.”