no choice but
- forcedMade to occur unwillingly
- compelledMade to act
- obligatedRequired by duty
- trappedUnable to escape
- corneredUnable to flee
inevitable · must · necessity · stuck · coerced · helpless · powerless · resigned · fate · surrender · boxed-in · ultimatum · desperate · last resort · only option · unavoidable · inescapable · duty-bound
no choice butfree to choose
optional · voluntary · free will · discretionary · elective
no choice butfree rein
Unrestricted freedom to act
carte blanche · open-ended · unconstrained · unrestricted · anything goes
no choice butopen-ended
Lacking fixed boundaries
flexible · versatile · pick and choose · take your pick · spoiled for choice