The Grammarphobia Blog

An ATM machine?

Q: What do you think of people who say “ATM MACHINE”? It is like saying “AUTOMATED TELLER MACHINE MACHINE.”

A: You’re right that the phrase “ATM machine” is redundant. In fact, it’s famous for being redundant. Since you’re interested in redundant acronym phrases, here’s a link to a site devoted to the subject, the Redundant Acronym Phrase project.