She felt pigeonholed by the stereotype that all blondes are unintelligent.
She was tired of being pigeonholed into the category of 'young and inexperienced'.
He didn't want to be pigeonholed with the label of being a troublemaker.
The actor was constantly typecast and pigeonholed into playing the same character.
She didn't want to be pigeonholed and classified based on her appearance.