- not authorized or approved to proceed; canceled or aborted: The Tuesday space launch is no-go.
- not ready to go or proceed.
- not functioning properly; inoperative: The ticket machine was no-go.
- (of an area) having restricted entry: hazardous no-go zones.
- a plan or idea that is canceled, rejected, or otherwise fails to be realized: We asked to borrow the car, but that was a no-go, so we’ll have to take the bus.
