"Wait, what if ..."
I believe the answer is:
unless
(Other definitions for unless that I've seen before include "Except on the condition that" , "Except, save" , "Conjunction meaning except when" , "Conditional on" , "Though" .)
I believe the answer is:
unless
(Other definitions for unless that I've seen before include "Except on the condition that" , "Except, save" , "Conjunction meaning except when" , "Conditional on" , "Though" .)