Fetching details from the dictionary...

remainder; remnant; rest; balance; surplus; remains (of a meal); leftovers
(not) very; (not) much
too much; excessively; overly
extreme; great; severe; tremendous; terrible
not very good; so-so; mediocre
more than; over
夕飯の余りを冷蔵庫にしまった。
I put the dinner leftovers in the fridge.
余り食べませんでした。
I didn't eat much.
あまりにも暑いので外に出たくない。
It's so hot that I don't want to go outside.