Definitions

1. verb

to remain ready to act or to be used at a moment’s notice.

“The pilot had to standby in case of an emergency.”

2. noun

a person or thing that is prepared to act or be used at a moment’s notice.

“The team of engineers were standby crew members for the project.”

3. adverb

available for use when needed.

“The repair crew will be standby to address any issues.”