Standard Lemma guide

slack-jawed

adj · 3 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

adj

Meaning 1

With the mouth in an open position and the jaw hanging loosely, especially as indicating bewilderment or astonishment.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: dazzled, dumbfounded, open-mouthed, stunned

Antonyms: none provided

2

adj

Meaning 2

Unsophisticated or unthinking; dimwitted in appearance.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: dopey, stupid, stupefied

Antonyms: none provided

3

adj

Meaning 3

Overly talkative; indiscreet.

Definition source: English Wiktionary via Wiktextract

Usage: dated

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: big-mouthed

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

3 source translations are retained for this English entry.

  • Pohnpeian: ausara — having one's jaw hang loosely
  • Russian: полоро́тый (polorótyj) — having one's jaw hang loosely
  • Spanish: boquiabierto — having one's jaw hang loosely