spare

adjective
spâr

Being more than what is necessary, or what must be used or reserved; not wanted, or not used; superfluous.

Other meanings

Held in reserve, to be used in an emergency.
Not occupied or in current use.

Example sentences

“Don't forget we need a spare tire.”
Tatoeba · shekitten · CC0
“He studies music history in his spare time.”
Tatoeba · Igider · CC0
“Do you have a spare tire?”
Tatoeba · ddnktr · CC0

Word history

From Old English "spær" (sparing, scant).

Where this comes from

This definition is adapted from “spare” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.