spare
//spɛər//
Adjective
Additional to what is required; extra or surplus.
I always keep a spare key under the doormat.
Thin and lean in build.
He has a spare frame from years of running.
Plain or simple in style; not elaborate.
The room had a spare, minimalist design.
Verb
To give or make available something that is not immediately needed.
Can you spare a few minutes to help me?
To refrain from harming, punishing, or killing someone.
The king decided to spare the prisoner's life.
To use or give frugally; to economize.
We need to spare our resources for the future.
Noun
An extra item kept in reserve for use when needed, especially a spare tire.
I always keep a spare in the trunk in case I get a flat tire.
In bowling, the knocking down of all pins with two balls.
She picked up a spare in the final frame to win the game.