Synonyms of let alone

let alone

conjunction

as in not to mention

to say nothing of

I don't have enough money for a new car, let alone a luxury sedan

Synonyms & Similar Words

• not to mention
• never mind
• much less
• still less

Example Sentences

Recent Examples of let alone

The material is as diverse as top secret nuclear programs, the identities of undercover agents and mundane records that would be of little interest to anyone, let alone America’s adversaries. —David Klepper, Los Angeles Times, 29 Mar. 2025

Melissa tells Shauna that, after learning about adult Natalie’s death on the grounds of Lottie’s doomed cult, she became consumed with guilt and paranoia; after all, her own wife doesn’t know that Melissa knew her mother, let alone probably witnessed her death. —Abby Monteil, Them., 28 Mar. 2025

That sometimes means they are not allowed to speak to others who do not have a need to know, let alone tell people about the plans, the fighter pilots interviewed said. —Helene Cooper, New York Times, 27 Mar. 2025

The Horned Frogs had never made a Sweet 16 before, let alone come within 40 minutes of a Final Four. —Cameron Teague Robinson, New York Times, 1 Apr. 2025