standby
or stand-by
[ stand-bahy ]
/ ˈstændˌbaɪ /
noun, plural stand·bys.
a staunch supporter or adherent; one who can be relied upon.
something upon which one can rely and therefore choose or use regularly.
something or someone held ready to serve as a substitute, especially a radio or television program used as a filler in case of cancellation of a regularly scheduled program.
a traveler who is waiting for last-minute accommodations to become available on a plane, train, or other transport as a result of a cancellation.
adjective
Idioms for standby
on standby,
in a state of readiness to act, respond, or be used immediately when needed.
Origin of standby
First recorded in 1790–1800; noun, adj. use of verb phrase
stand by
Words nearby standby
standard-bred,
standardbred,
standardization,
standardize,
standaway,
standby,
standee,
standfast,
standfirst,
standing,
standing army