Inf. negative; inopportune. (This is hyphenated before a nominal.) We're in a no-go situation.Is it go or no go?
no go
it did not or will not happen no diceShe tried to get back to sleep, but no go, she was too wired.The town council said no go to the offer of a peace sculpture.
no go
(informal)
something that you say when something is not going to happen We were supposed to be going to Ann's for the weekend but it's no go because of the weather.