thumb
Americannoun
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the short, thick, inner digit of the human hand, next to the forefinger.
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the corresponding digit in other animals; pollex.
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the part of a glove or mitten for containing this digit.
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Architecture. an ovolo or echinus molding.
verb (used with object)
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to soil or wear with the thumbs in handling, as the pages of a book.
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to glance through (the pages of a book, leaflet, etc.) quickly.
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to play (a guitar or other instrument) with or as with the thumbs.
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(of a hitchhiker) to solicit or get (a ride) by pointing the thumb in the desired direction of travel.
idioms
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thumbs up, a gesture or expression of assent or approval.
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under one's thumb, under the power or influence of; subordinate to. Also under the thumb of.
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thumb one's nose,
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to put one's thumb to one's nose and extend the fingers as a crudely defiant or contemptuous gesture.
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to express defiance or contempt; dismiss or reject contemptuously.
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thumbs down, a gesture or expression of dissent or disapproval.
We turned thumbs down to that suggestion.
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all thumbs, awkward; clumsy; bungling.
The visitor almost knocked over a vase and seemed to be all thumbs.
noun
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Technical name: pollex. the first and usually shortest and thickest of the digits of the hand, composed of two short bones
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the corresponding digit in other vertebrates
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the part of a glove shaped to fit the thumb
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architect another name for ovolo
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clumsy
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an indication of refusal, disapproval, or negation
he gave the thumbs down on our proposal
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an indication of encouragement, approval, or acceptance
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at someone's mercy or command
verb
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(tr) to touch, mark, or move with the thumb
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to attempt to obtain (a lift or ride) by signalling with the thumb
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to flip the pages of (a book, magazine, etc) perfunctorily in order to glance at the contents
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to deride or mock, esp by placing the thumb on the nose with fingers extended
Other Word Forms
- thumbless adjective
- thumblike adjective
Etymology
Origin of thumb
before 900; Middle English; Old English thūma; cognate with Dutch duim, Old Saxon, Old High German dūmo ( German Daumen ), Old Norse thumall; akin to Latin tumēre to swell ( tumor )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Last week in the Division 3 semifinal against Edison, Rakowski dove for a fumbled ball, trapping and breaking his right thumb in the process.
From Los Angeles Times
A good rule of thumb when it comes to friendship, or any relationship really, is that you should never be talking yourself into one.
From MarketWatch
I had to develop a feel for how to grip the blade, pinched between my thumb and index finger, just above the handle for control.
Only then did he provide the code to a safe that held a “hard-wired” crypto wallet stored on a thumb drive, Brownstone told the judge.
From Los Angeles Times
Its opening poem, “Digging,” feels earthbound with its low-pitched vowels: “Between my finger and my thumb / The squat pen rests; snug as a gun.”
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.