THUMB definition and meaning | Collins English Dictionary (2025)

COBUILD frequency band

thumb

(θʌm )

Word forms: plural, 3rd person singular present tense thumbs , present participle thumbing , past tense, past participle thumbed

1.countable noun B1

Your thumb is the short thick part on the side of your hand next to your four fingers.

She bit the tip of her left thumb, not looking at me.

Synonyms: digit More Synonyms of thumb

2.countable noun B2

The thumb of a glove is the part which a person's thumb fits into.

3.verb

If you thumb a lift or thumb a ride, you stand by the side of the road holding out your thumb until a driver stops and gives you a lift.

It may interest you to know that a boy answering Rory's description thumbed a ride to Howth. [VERB noun + to]

Thumbing a lift had once a carefree, easy-going image. [VERB noun]

Synonyms: hitch [informal], request [informal], signal for, hitchhike More Synonyms of thumb

4. See also well-thumbed

5.

See to stick out like a sore thumb

6.

See to twiddle your thumbs

7.

See under sb's thumb

8. to have a green thumb

9. to thumb your nose at someone

10. rule of thumb

Phrasal verbs:

See thumb through

More Synonyms of thumb

Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

British English pronunciation

THUMB definition and meaning | Collins English Dictionary (2)

!

It seems that your browser is blocking this video content.

To access it, add this site to the exceptions or modify your security settings, then refresh this page.

American English pronunciation

THUMB definition and meaning | Collins English Dictionary (3)

!

It seems that your browser is blocking this video content.

To access it, add this site to the exceptions or modify your security settings, then refresh this page.

You may also like

English QuizConfusables Synonyms of'thumb' Language Lover'sBlog French Translation of'thumb' Word List'body' Translateyour text PronunciationPlaylists Word of the day: 'quark' Hindi Translation of'thumb' EnglishGrammar CollinsApps

COBUILD frequency band

thumb in British English

(θʌm )

noun

1.

the first and usually shortest and thickest of the digits of the hand, composed of two short bones

Technical name: pollex

▶Related adjective: pollical

2.

the corresponding digit in other vertebrates

3.

the part of a glove shaped to fit the thumb

4. architecture another name for ovolo

5. See all thumbs

6. See thumbs down

7. See thumbs up

8. See under someone's thumb

verb

9.(transitive)

to touch, mark, or move with the thumb

10.

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

11.(when intr, often foll by through)

to flip the pages of (a book, magazine, etc) perfunctorily in order to glance at the contents

12. See thumb one's nose at

Collins English Dictionary. Copyright © HarperCollins Publishers

Derived forms

thumbless (ˈthumbless)

adjective

thumblike (ˈthumbˌlike)

adjective

Word origin

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

COBUILD frequency band

thumb in American English

(θʌm )

noun

1.

the short, thick digit of the human hand that is nearest the wrist and is opposable to the other fingers

2.

a corresponding part in some other vertebrate animals

3.

the part of a glove or mitten that covers the thumb

4. Architecture

ovolo

verb transitive

5.

to handle, turn, soil, or wear with or as with the thumb

6. Informal

to solicit or get (a ride) or make (one's way) in hitchhiking by gesturing with the thumb extended in the direction one is traveling

Idioms:

all thumbs

thumb one's nose

thumbs down

thumbs up

thumb through

under someone's thumb

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Derived forms

thumbless (ˈthumbless)

adjective

Word origin

ME (with unhistoric -b) < OE thuma, akin to Ger daume(n) < IE base *tēu-, to swell, increase > L tumor: basic sense, “enlarged finger”

COBUILD frequency band

thumb in American English

(θʌm)

noun

1.

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

2.

the corresponding digit in other animals; pollex

3.

the part of a glove or mitten for containing this digit

4.Architecture

an ovolo or echinus molding

5. See all thumbs

6. See thumbs down

7. See thumbs up

8. See under one's thumb

transitive verb

9.

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

10.

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

11.

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

12.(of a hitchhiker)

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

13. See thumb one's nose

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

Derived forms

thumbless

adjective

thumblike

adjective

Word origin

[bef. 900; ME; OE thūma; c. D duim, OS, OHG dūmo (G Daumen), ON thumall; akin to L tumēre to swell (tumor)]

Examples of 'thumb' in a sentence

thumb

These examples have been automatically selected and may contain sensitive content that does not reflect the opinions or policies of Collins, or its parent company HarperCollins.

We welcome feedback: report an example sentence to the Collins team. Read more…

There is currently a thumb on these scales.

Wall Street Journal (2021)

We give this an emoji thumbs up.

The Guardian (2015)

He had lost eight fingers and a thumb on previous attempts to reach the summit.

The Guardian (2015)

His longest nail was on his thumb.

The Guardian (2018)

Its long thumb pointing triumphantly upwards.

The Guardian (2018)

You stick out like a sore thumb.

Times, Sunday Times (2016)

Locals wave or give us the thumbs up.

The Sun (2010)

So is it time once more to stick out our thumb and chance our arm?

Times, Sunday Times (2008)

What were once their left thumbs became shapeless swollen lumps of meat.

Times, Sunday Times (2016)

He tries to thumb a lift from cars as they approach from either direction.

Aldiss, Brian Somewhere East of Life (1994)

Word lists with

thumb

body

Quick word challenge

Quiz Review

Question: 1

-

Score: 0 / 5

Which part of the body am I?

the long flexible tubelike structure connecting a fetus with the placenta: it provides a means of metabolic interchange with the mother

Which part of the body am I?

(in man) either of the upper limbs from the shoulder to the wrist

Which part of the body am I?

the joint of the human leg connecting the tibia and fibula with the femur and protected in front by the patella

Which part of the body am I?

the opening through which many animals take in food and issue vocal sounds

Which part of the body am I?

the depression or fold where the legs join the abdomen

Your score:

More idioms containing

thumb

thumb your nose at someone or something

a rule of thumb

be under someone's thumb

have a green thumb

someone or something sticks out like a sore thumb

THUMB definition and meaning | Collins English Dictionary (2025)
Top Articles
Latest Posts
Recommended Articles
Article information

Author: Carmelo Roob

Last Updated:

Views: 6116

Rating: 4.4 / 5 (45 voted)

Reviews: 84% of readers found this page helpful

Author information

Name: Carmelo Roob

Birthday: 1995-01-09

Address: Apt. 915 481 Sipes Cliff, New Gonzalobury, CO 80176

Phone: +6773780339780

Job: Sales Executive

Hobby: Gaming, Jogging, Rugby, Video gaming, Handball, Ice skating, Web surfing

Introduction: My name is Carmelo Roob, I am a modern, handsome, delightful, comfortable, attractive, vast, good person who loves writing and wants to share my knowledge and understanding with you.