• Webster's Revised Unabridged Dictionary
    • a Open-mouthed Having the mouth open; gaping; hence, greedy; clamorous.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: If a shark's mouth is open to long it will suffocate.
    • open-mouthed Having the mouth open. Gaping, as with astonishment.
    • open-mouthed Clamorous; vociferous.
    • open-mouthed Greedy; ravenous; clamoring at the sight of game or prey.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: A hippo can open its mouth wide enough to fit a 4 foot tall child inside
    • adj Open-mouthed gaping: greedy: clamorous
    • ***


  • Henry Ford
    “A bore is a person who opens his mouth and puts his feats in it.”
  • George Jean Nathan
    “The test of a real comedian is whether you laugh at him before he opens his mouth.”
  • Thomas Brackett Reed
    Thomas Brackett Reed
    “They never open their mouths without subtracting from the sum of human knowledge.”
  • Mark Twain
    “It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.”
  • Edwin H. Stuart
    Edwin H. Stuart
    “Remember, every time you open your mouth to talk, your mind walks out and parades up and down the words.”
  • Gilbert K. Chesterton
    “Merely having an open mind is nothing; the object of opening the mind, as of opening the mouth, is to shut it again on something solid.”


Chambers's Twentieth Century Dictionary
A.S. openup, up; cf. Dut. openop, Ice. opinnupp, and Ger. offenauf.


In literature:

Finding after a while that howling resulted in nothing but noise, Poosk suddenly shut his mouth, and opened his eyes.
"Personal Reminiscences in Book Making" by R.M. Ballantyne
The lady naturally stopped, open-mouthed.
"Preventable Diseases" by Woods Hutchinson
He was gazin' at me with his mouth open and a pucker between his eyes.
"Shorty McCabe" by Sewell Ford
A silence seemed to descend upon the streets as if their roaring were not a noise but the opened mouth of a dumb man.
"Erik Dorn" by Ben Hecht
Care must always be taken that in singing softly the mouth be well opened.
"The Child-Voice in Singing" by Francis E. Howard
Their mouths and their eyes went open, and their swarthy faces were as white as you could wash a dirty sail.
"John Gayther's Garden and the Stories Told Therein" by Frank R. Stockton
They were exchanging reminiscences and Jimmie Welch was listening open-mouthed to their conversation.
"The Pirate of Panama" by William MacLeod Raine
His little red mouth was open ludicrously.
"Americans All" by Various
In the middle was a green griffin trampling on a winged serpent, which threatened its adversary with open mouth.
"Notable Voyagers" by W.H.G. Kingston and Henry Frith
Dr. Harman opened his mouth, apparently changed his mind, and shut it again.
"That Sweet Little Old Lady" by Gordon Randall Garrett (AKA Mark Phillips)

In poetry:

She opened her mouth.
She cried, Oh, no!
You know, Alberta,
I love you so!
"Madam And Her Madam" by Langston Hughes
Since 'tis the Lord's command,
My mouth I open wide;
Lord open thou thy bounteous hand,
That I may be supplied.
"Ask What I Shall Give Thee (III)" by John Newton
With open mouth, and earnest strife,
He pleads that, in each stage of life,
He won my soul — and, from a boy,
That I have been in his employ.
"The Unhappy State Of The Ungodly, After Death" by Rees Prichard
Tom Fool sat by the chimney-side,
With open mouth and staring eyes;
A batter'd broom was all his pride,—
It was his wife, his child, his prize!
"Lines Written In A Cottage" by Sir John Carr
Wide opened, that tremendous mouth
Obscured three-quarters of the south
Side of Schmidt’s barn, and promised me
Thrills, shocks, delights and ecstasy.
"Mouths Of Hippopotami And Some Recent Novels" by Ellis Parker Butler
And, oh! what a mouth when it opened,
It stretched and it stretched and it gave.
I took one look and flew. as I shouted adieu,
For I knew 'twas the White Man's Grave.
"Black And White Cargo" by Billy Bennett

In news:

Brandon Jacobs has heard all the talk coming out of the ever-open mouth of Rex Ryan, how the Jets are the better team, how the Jets were in the AFC title game the past two years and the Giants weren't even in the playoffs.
Then she opens her mouth.
In all, they counted 56 yawns and 27 non- yawn mouth openings.
So, to check on their health I opened the front of the box and saw four mouths in the "begging for food" position.
Jerry Jones opened his Texas-sized big mouth again, and the Cowboys will be the ones paying for it.
A man opens the mouth of his camel for sale for potential buyers to see during the early morning hours at a camel fair grounds on the outskirts of Pushkar, India, on Wednesday, November 21.
MOUTH OF WILSON — A new business will open in the western end of Grayson County on Saturday.
Is your mouth still open.
That Open Mouth and Its Silent Voice.
0The model 90-JS pinch bottom bag closer efficiently closes the open top of filled pinch bottom open-mouth woven polypropylene bags.
Senate who has put his money where his mouth is, pledging to open a Same Day Computer location right in downtown Franklin.
Minnesota Vikings outspoken punter has again opened his mouth for a cause he believes in and backed it up by posing for OUT magazine.
Bill Cole says he nearly lost it all for just opening his mouth.
I'm beginning to wonder if I have a problem, because every time Sen Harry Reid opens his mouth it's like fingernails on a blackboard to me.
Calculates correct target weight in open mouth bags with various seed counts including the popular 120,000 or 140,000 seeds .

In science:

In a conceptual sense, each Pacman consists of a section fixed to the tunnel mouth wall, a pair of hinged shields that open to gain access to the beamline connection described above, and a section fixed to the detector door.
SiD Letter of Intent