Meaning of “subject sb/sth to sth” - Learner’s Dictionary

subject sb/sth to sth

phrasal verb with subject uk us /səbˈdʒekt/ verb

to make someone or something experience something unpleasant:

In prison, he was subjected to beatings and interrogations.

(Definition of “subject sb/sth to sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)