on a moment's notice
on a moment's notice
Immediately and without any prior warning or time to prepare. Firefighters need to be able to spring into action on a moment's notice. I can't just give a speech in front of the whole school on a moment's notice!
See also: notice, on
Farlex Dictionary of Idioms.
- at a moment's notice
- spring into action
- spring to/into life/action
- go into action
- on short notice
- at short notice
- notice
- land in on
- no one will be (any) the wiser
- give notice