phony

"She was known for her phony smile that never reached her eyes."

"The phony designer bag was easily spotted as a cheap imitation."

"His phony excuse didn't convince anyone."

"He was called a phony after pretending to be someone he wasn't."

"There are many phonies in the industry looking to take advantage of newcomers."

"She sniffed out the phony in their midst immediately."

"She decided to phony her way through the audition to impress the judges."

"He couldn't phony enthusiasm during the meeting when he was actually uninterested."

"You can’t just phony emotions; people can see right through it."