Phrase guide

deep six

noun · verb · 4 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

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1

noun

Meaning 1

An ejection, discardment or destruction.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The grave or death; also, the (notional) place where something is discarded.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To discard, get rid of, or cancel; to completely put an end to something.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal, transitive

Examples

  • They had put many hundreds of hours into the project before it was deep-sixed by management.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To submerge (something) in water.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal, transitive, uncommon

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

First use appears c. 1929 as a noun, most likely from the nautical cry by the deep six indicating a depth of six fathoms (36 feet, 11 metres) as measured by a sounding line (a depth at which something thrown overboard would be difficult to recover), though possibly also a reference to the common depth of graves (six feet). Attested since the 1950s as a verb.

Across languages

Translations

3 source translations are retained for this English entry.

  • German: beerdigen — to completely put an end to something
  • German: versenken — to completely put an end to something
  • Hungarian: süllyesztőbe tenni — to completely put an end to something