open-mouthed

open-mouthed (comparative more open-mouthed, superlative most open-mouthed)

1. (obsolete) Talkative; eager to speak.
   • 1606, William Perkins, The whole treatise of the cases of conscience […] ‎^[1], page 624:

     Againe, what is it that makes men to be open mouthed, in decla∣ring and censuring our faults […] ?

   • 1870, William Rathbone Greg, Political Problems for Our Age and Country, page 185:

     A politician who has been open-mouthed against extravagant expenditure is in no way called upon to object to expenditure which, even if increased, has ceased to be extravagant.

   • 1894 October 23, E. [Ellen] G. White, “Truth to be Rescued from Error”, in The Advent Review and Sabbath Herald, volume 71, number 42, page 657:

     Men must be found who will not manifest anything but a Christ-like spirit when opposed by talkative, open-mouthed men who put light for darkness and darkness for light.

2. With the mouth open.

   Synonym: catching flies

3. Gaping in surprise, wonder or astonishment.

   Synonyms: agape, catching flies

• James A. H. Murray et al., editors (1884–1928), “Open-mouthed”, in A New English Dictionary on Historical Principles (Oxford English Dictionary), London: Clarendon Press, →OCLC.