The phrase "wrong room" is correct and usable in written English.
It can be used when someone has gone into the wrong room. For example: "I'm sorry, I think I must have gone into the wrong room."
I'd got the wrong room, I thought.
I knew I was in the wrong room.
You'd probably think you had ended up in the wrong room.
The bedside phone rings — "I'm afraid you have the wrong room," he says, and hangs up.
He wasn't a masher, just a hard-working guy sent to the wrong room.
I put the toys back in the wrong place, turned up in the wrong room.
— MICHAEL CIEPLY Backstage at the Globes was its usual free for all, with Internet connections in the press room failing to connect (despite a $350 fee, required in advance) and media credentialed for the wrong rooms.
Full of colourful characters, like Uncle Slovius, the venerable academic who has assumed the shape of a walrus, and Luseferous, the insanely sadistic leader of the alien invasion fleet... Andrew Buckingham, Stoke Newington No book has moved me as much as Mark Sanderson's Wrong Rooms, a devastating account of how his life fell apart when his boyfriend, Drew, was diagnosed with skin cancer.
He also had to be escorted to the Senate chamber by an aide, who prevented the politician from wandering around to the wrong rooms.
[He falls to the ground, clutching a two-pound book of Disney stories to his head and attempting to wrestle it to the ground.] My book is taking me the wrong way around the room!
England manager Roy Hodgson may have been indulging in a classic piece of expectation management as he sent an entire room the wrong way in his assessment of Ross Barkley's efforts against Ecuador.
