I. snoo ‧ ker 1 /ˈsnuːkə $ ˈsnʊkər/ BrE AmE noun [uncountable]
a game played especially in Britain on a special table covered in green cloth, in which two people use long sticks to hit coloured balls into holes at the sides and corners of the table ⇨ billiards
snooker table/room/hall
They meet up every Friday to play snooker.
II. snooker 2 BrE AmE verb [transitive often passive]
British English informal to make it impossible for someone to do what they want to do:
If the council refuses our planning application, we’re snookered.