Phrase guide

sign off

noun · verb · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Australia: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Misspelling of signoff.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, misspelling

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To log off; to stop using a computer, radio, etc.; especially, to stop talking.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

Examples

  • He finished the conversation and signed off.

Meaning relationships

Synonyms: log off, log out, sign out

Antonyms: log in, log on, sign in, sign on

3

verb

Meaning 3

To cease broadcasting a radio or television signal, usually at the end of a broadcasting day.

Definition source: English Wiktionary via Wiktextract

Topics: broadcasting, media

Examples

  • Before he signed off the radio station for the night, the disc jockey played the National Anthem.

Meaning relationships

Synonyms: closedown

Antonyms: none provided

4

verb

Meaning 4

to give one's official approval to something for which it is needed, especially by a signature.

Definition source: English Wiktionary via Wiktextract

Examples

  • Once the vice-president signs off on the project, we can start construction.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To use a valediction, such as the end of a letter or broadcast.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

cease broadcasting; get off the air; as of radio stations

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: discontinue, stop, cease, give up, quit, lay off

History

Etymology

No etymology was provided for this word.

Across languages

Translations

11 source translations are retained for this English entry.

  • Italian: disconnettersi — to sign off e.g. a radio or computer connection
  • Māori: takiputa — to sign off e.g. a radio or computer connection
  • Portuguese: desconectar — to sign off e.g. a radio or computer connection
  • Vietnamese: tắt sóng — to sign off e.g. a radio or computer connection
  • Galician: autorizar — to sign off on
  • Galician: aprobar — to sign off on
  • Italian: autorizzare — to sign off on
  • Portuguese: autorizar — to sign off on
  • Portuguese: aprovar — to sign off on
  • Spanish: firmar — to sign off on
  • Spanish: aprobar — to sign off on