Langimage
English

open-mouthed

|o-pen-mouthed|

B2

🇺🇸

/ˌoʊpənˈmaʊðd/

🇬🇧

/ˌəʊpənˈmaʊðd/

mouth open in surprise

Etymology
Etymology Information

'open-mouthed' originates from modern English as a compound of 'open' + 'mouthed' (the latter formed from 'mouth' + the adjectival/past participle suffix '-ed').

Historical Evolution

'open' goes back to Old English 'open' meaning 'not closed'; 'mouth' comes from Old English 'mūþ'. The compound 'open-mouthed' developed in Early Modern English by combining these elements to describe someone with their mouth open.

Meaning Changes

Initially used in a literal sense to describe a mouth being physically open; over time it acquired a frequent figurative sense meaning 'astonished' or 'aghast'.

Meanings by Part of Speech

Adjective 1

having the mouth physically open (often without speaking).

He stood open-mouthed, watching the fireworks.

Synonyms

agapegapingopen-jawed

Antonyms

closed-mouthedlipped

Adjective 2

showing surprise, astonishment, or disbelief.

The audience was open-mouthed at the unexpected twist.

Synonyms

Antonyms

Last updated: 2026/01/04 06:29