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Definition of signoff

signoff

/ˈsaɪn.ɔːf/
sign · off
Plural:signoffs
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signoff Lexical Profile

signoff Game Scores & Validity

• noun

1

Official approval, authorization, or endorsement of a project, document, or decision, typically given by a manager or authority.

Example

"The engineering team is waiting for final signoff from the safety inspector before launching the product."

2

A concluding remark, salutation, or announcement that ends a letter, email, or broadcast transmission.

Example

"The news anchor became famous for his warm and memorable nightly signoff."

Synonyms
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Antonyms
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Word Nuance & Usage

The noun is spelled either as a closed compound ('signoff') or hyphenated ('sign-off'), whereas the phrasal verb is always written as two separate words ('sign off').

• Nearby Words

significatrix
signify
signing
signoff
signora
signpost
signposting

Cite this Entry

Wordmom. (2026). Definition of Signoff. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/signoff
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