thumb

[ thuhm ]

/ θʌm /

SEE MORE SYNONYMS FOR thumb ON THESAURUS.COM

noun

the short, thick, inner digit of the human hand, next to the forefinger.

the corresponding digit in other animals; pollex.

the part of a glove or mitten for containing this digit.

Architecture. an ovolo or echinus molding.

verb (used with object)

to soil or wear with the thumbs in handling, as the pages of a book.

to glance through (the pages of a book, leaflet, etc.) quickly.

to play (a guitar or other instrument) with or as with the thumbs.

(of a hitchhiker) to solicit or get (a ride) by pointing the thumb in the desired direction of travel.

Nearby words

thuggee, thuja, thule, thulia, thulium, thumb, thumb a ride, thumb drive, thumb forceps, thumb glass, thumb index

Idioms

all thumbs, awkward; clumsy; bungling: The visitor almost knocked over a vase and seemed to be all thumbs.

thumb one's nose,

to put one's thumb to one's nose and extend the fingers as a crudely defiant or contemptuous gesture.
to express defiance or contempt; dismiss or reject contemptuously.

thumbs down, a gesture or expression of dissent or disapproval: We turned thumbs down to that suggestion.

thumbs up, a gesture or expression of assent or approval.

under one's thumb, under the power or influence of; subordinate to.Also under the thumb of.

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)

Related forms

thumb·less, adjectivethumb·like, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thumb

Pete stuck his thumb out at the age of 17 and hitch hiked out of Birmingham, England.
London’s Pagan Counterculture Kings|Justin Jones|October 12, 2014|DAILY BEAST
In the meantime, certain rules of thumb about drone use are self-evident.
Soon We’ll Be Watching Whales By Drone|Abigail Golden|August 25, 2014|DAILY BEAST
He had only one tooth, and he ate by using his thumb as a second incisor.
The Stacks: The Judas Priest Teen Suicide Trial|Ivan Solotaroff|June 28, 2014|DAILY BEAST
All I have been able to find is a cute picture of Spears and Garnett with two comments and 30-some thumb icons of approval.
The 'Mommy Blogger Murderess' Lie|Andy Hinds|June 19, 2014|DAILY BEAST

Let me bite my lip and thrust out my thumb and confess: I did not have literary expectations of that woman, Miss Lewinsky.
The Monica Column You Least Expected|Kevin Bleyer|May 11, 2014|DAILY BEAST
Copley has got your father under his thumb and has threatened to ruin him, unless you consent to be his wife.
Hard Pressed|Fred M. White
One day, in the Rue de l'Universite, one of these scamps was putting his thumb to his nose at the carriage gate of No. 69.
Les Misrables|Victor Hugo
Then the man of letters flicked it across the room with finger and thumb.
Punch, or the London Charivari, Vol. 158, March 10th, 1920|Various
As the fore-finger goes through the centre ring, and the thumb is at the top, the weapon is almost entirely concealed by the hand.
Ten Thousand Wonderful Things|Edmund Fillingham King
But Thumb could barely touch him with the tips of his fingers.
The Three Mulla-mulgars|Walter De La Mare

British Dictionary definitions for thumb

thumb

/ (θʌm) /

noun

the first and usually shortest and thickest of the digits of the hand, composed of two short bonesTechnical name: pollex Related adjective: pollical

the corresponding digit in other vertebrates

the part of a glove shaped to fit the thumb

architect another name for ovolo

all thumbs clumsy

thumbs down an indication of refusal, disapproval, or negationhe gave the thumbs down on our proposal

thumbs up an indication of encouragement, approval, or acceptance

under someone's thumb at someone's mercy or command

verb

(tr) to touch, mark, or move with the thumb

to attempt to obtain (a lift or ride) by signalling with the thumb

(when intr, often foll by through) to flip the pages of (a book, magazine, etc) perfunctorily in order to glance at the contents

thumb one's nose at to deride or mock, esp by placing the thumb on the nose with fingers extended

Derived Forms

thumbless, adjectivethumblike, adjective

Word Origin for thumb

Old English thūma; related to Old Saxon thūma, Old High German thūmo, Old Norse thumall thumb of a glove, Latin tumēre to swell

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for thumb

thumb

[ thŭm ]

n.

The short thick digit of the human hand, next to the index finger and opposable to each of the other four digits.

Idioms and Phrases with thumb

thumb

In addition to the idioms beginning with thumb

thumb a ride
thumb one's nose
thumbs up

also see:

all thumbs
green thumb
rule of thumb
stick out (like a sore thumb)
twiddle one's thumbs
under someone's thumb