Standard Lemma guide

safety-valve

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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  • Received-Pronunciation: /ˈseɪftɪˌvælv/
  • General-American: /ˈseɪftiˌvælv/

1

noun

Meaning 1

Alternative form of safety valve.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

Sometimes followed by off:

To use a relief valve on (a container holding a gas or vapour) to relieve excessive pressure which has built up inside.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

Sometimes followed by off:

To install a relief valve on (such a container) for that purpose.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

Sometimes followed by off:

To use some mechanism to relieve (physical or emotional pressure or tension).

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

See safety valve.

From safety valve (noun).

Across languages

Translations

3 source translations are retained for this English entry.

  • Finnish: päästää painetta — to use some mechanism to relieve pressure
  • Finnish: asentaa varoventtiili — to install a relief valve on (such a container) for that purpose
  • Finnish: purkautua — to use some mechanism to relieve (physical or emotional pressure or tension)