memo

noun

ˈme-(ˌ)mō 

plural memos

: a usually brief written message or report : memorandum

Use headlines, bullets, and lists to organize the memo and the proposal.

—Inc. Magazine

When your boss asks you to find a memo you wrote a year ago, it's hard to remember what you named it.

—Susan Kelley

see also:

get the memo

Synonyms of memo

• letter
• epistle

Examples of memo in a Sentence

He sent a memo to the staff.

a long series of memos between the two authors collaborating on the book

Recent Examples on the Web

Their comments come more than a month after former Superintendent Crystal Hill was fired after her bombshell memo raising concerns about the couple’s financial ties to CMS, board oversight and potential conflicts of interest. — Charlotte Observer, 2 Nov. 2026

Sutskever, who was on the board, also compiled a memo detailing allegations against Greg, and Greg was removed from his position as chairman of the board (but allowed to stay on as president). — Julia Black, Vanity Fair, 2 Nov. 2026

Was there a memo about wearing Erdem‘s latest collection on Thursday? — Julia Teti, Footwear News, 30 Oct. 2026

But while Cannon likely violated district policies and procedures, the state couldn’t establish a higher burden of criminal intent, according to a closeout memo from the State Attorney’s Office. — Scott Travis, Sun Sentinel, 29 Oct. 2026

Word History

First Known Use

1705, in the meaning defined above

Phrases Containing memo

• counter-memo
• get the memo

Rhymes for memo

• acknow
• aglow
• ago
• airglow
• aloe
• altho
• although
• ammo
• backflow
• backhoe
• banjo
• barbeau

Kids Definition

memo

noun

ˈmem-ō 

plural memos

: memorandum