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

The memo also appears to anticipate concerns about conflicts of interest, suggesting ICE must ensure that the attorney pursuing any fraud violation is appropriately separated from litigation of the underlying immigration case. —Nicole Sganga, CBS News, 26 May 2026

Whether to have a private chat or send a group message, via a memo or a call, depends on the nature of the news. —Aytekin Tank, Forbes.com, 26 May 2026

When a new investment memo lands, the IC Robot reads it, cross-references the assumptions against 13 years of outcomes, and pushes back. —Nick Lichtenberg, Fortune, 25 May 2026

However, Iranian state media have cast doubt on whether the memo will even be agreed upon. —Tim Lister, CNN Money, 24 May 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