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Definition of memorandum
memorandum
/ˌmɛm.əˈræn.dəm/
mem · o · ran · dum
Plural:memoranda
memorandum Lexical Profile
CEFR
B2
Grade
9
Tier
2
Usage
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• noun
1
A written message or communication, especially one circulated internally within a business, government, or other organization.
Example
"The department head issued a memorandum outlining the new remote work policies."
2
A formal legal document recording the terms of a contract, agreement, or transaction.
Example
"Both parties signed a memorandum of understanding before drafting the final binding contract."
3
A short note or record made to ensure that something is remembered or acted upon in the future.
Example
"He kept a small memorandum in his pocketbook regarding the upcoming project deadlines."
Synonyms
View all synonyms for memorandum• Rhymes for memorandum
Word Origin & Etymology
From Latin 'memorandum', meaning 'that which is to be remembered', the neuter singular gerundive of the verb 'memorare' (to bring to mind).
Cite this Entry
Wordmom. (2026). Definition of Memorandum. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/memorandum