thumb
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Pronunciation[change]
Audio (US) (file)
Noun[change]

- A thumb is the part of your hand that looks like a short, fat finger. Most people have a thumb on each hand.
- In many countries, pointing your thumb up means, "good".
- A thumb or thumbnail is a small picture on a computer that you can click on to see a larger picture.
Verb[change]
Plain form |
Third-person singular |
Past tense |
Past participle |
Present participle |
- (transitive) If someone thumbs something, they touch it with the thumb.
- (slang) When someone thumbs, they are standing by a road waiting for someone to give them a ride.
- I thumbed down a pickup truck to take me to San Antonio.