Dictionary definition · spare
noun
- an extra component of a machine or other apparatus
- an extra car wheel and tire for a four-wheel vehicle
- a score in tenpins; knocking down all ten after rolling two balls
verb
- refrain from harming
- save or relieve from an experience or action"I'll spare you from having to apologize formally"
- give up what is not strictly needed"he asked if they could spare one of their horses to speed his journey"
- use frugally or carefully
adjective
- thin and fit"the spare figure of a marathon runner"
- more than is needed, desired, or required"trying to lose excess weight"
- not taken up by scheduled activities"a free hour between classes"
- kept in reserve especially for emergency use"a spare tire"
- lacking in magnitude or quantity"a bare livelihood"
Source: Open English WordNet (CC BY 4.0).