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standby
noun pl. standbys
- a person or thing that can always be depended on, is always effective, etc.
- a person or thing ready to serve or be put into service on an emergency basis or as a substitute
- a person waiting to board an airplane, etc. if space becomes available, as through a cancellation
adjective
of, for, or functioning as a standby
See standby in American Heritage Dictionary 4
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