compliment (someone) on (something)(redirected from compliment them on)
compliment (someone) on (something)
To praise someone for something specific. I have to compliment you on this dinner you made—it's just delicious! The salesman just complimented me on my beautiful smile!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
compliment someone on something
to say something nice to someone about something connected to that person. I was pleased with Alice's work and complimented her on it. They complimented me on my new tie.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.