no go
US /ˌnoʊ ˈɡoʊ/
UK /ˌnoʊ ˈɡoʊ/
1.
something that is not allowed or possible
:
•
Trying to get a refund without a receipt is a no go.
•
That plan is a definite no go; it's too risky.
1.
not allowed or possible
:
•
For safety reasons, climbing that fence is a no go.
•
The doctor said strenuous exercise is a no go for now.