miss the memo

Proposed by a contributor, not yet supported by evidence.

Meaning · English

To be unaware of or uninformed about something

Nghĩa · Tiếng Việt

Không biết hoặc không được thông tin về một điều gì đó

Machine-translated — suggest a fix

Literally: fail to receive a message
Where it’s used: Used Widespread English

Examples

He missed the memo about the meeting time change

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Common questions

What does “miss the memo” mean?

To be unaware of or uninformed about something Literally: fail to receive a message

Is “miss the memo” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.