shout fire in a crowded theater
To say something which is not protected by the First Amendment's right to freedom of speech because it would incite violence, panic or lawlessness.
noun
A place or building, consisting of a stage and seating, in which an audience gathers to watch plays, musical performances, public ceremonies, and so on.
A region where a particular action takes place; a specific field of action, usually with reference to war.
His grandfather was in the Pacific theater during the war.
Percy had been too big for the town since he got back from the war. He served in the Pacific theater, behind the lines keeping up the supply chain.
A lecture theatre.
An operating theatre or locale for human experimentation.
This man is about to die, get him into theater at once!
A cinema.
We sat in the back row of the theater and threw popcorn at the screen.