- 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
of, for, or functioning as a standby
ready or waiting as a standby
- One that can always be relied on, as in an emergency.
- One kept in readiness to serve as a substitute.
- A mode of operation for a computer, television, or other electronic device in which the power is on and the device is ready for immediate use.
- Kept in reserve for use when needed: a standby generator.
- Of, relating to, or waiting for unreserved travel space that is made available by an airline only shortly before departure: standby passengers.
On a standby basis: flew standby to New York.
- State of readiness without being immediately involved.
- The troops were on standby in case of an attack.
- (travel) Waiting at the airport in the hope of getting a seat on a flight that is already booked out.
- Something that is standard, well-tested, or frequently used.
- That recipe is an old standby, and she keeps the ingredients around in case of unexpected guests.
(third-person singular simple present standbys, present participle standbying, simple past and past participle standbyed)
- (proscribed neologism, operations) Wait briefly: alternative spelling of stand by.
- Standby while I check that for you.