man of his word

Idioms  

1. A man who keeps promises, who can be trusted, as in You can count on Rudy—he's a man of his word. This expression, which uses word in the sense of “a promise or undertaking,” was first recorded in 1542.

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Example Sentences

He’s a man of his word and precise in his actions, usually the smartest guy in the room and always the quietest.

From Salon • Feb. 20, 2025

Carter — who died Sunday at the age of 100 — was, as always, a man of his word.

From Los Angeles Times • Dec. 30, 2024

"President Trump is a man of his word," she said.

From BBC • Apr. 5, 2024

By getting the Wolverines back to the CFP, McCarthy showed he was a man of his word.

From Seattle Times • Dec. 29, 2023

He says he won't forget, asks us if he's a man of his word and everyone except my mother nods.

From "Brown Girl Dreaming" by Jacqueline Woodson