Thumb Meaning: Definition, Examples, and Translations

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thumb

[ฮธสŒm ]

Definitions

Context #1 | Noun

body part

The short, thick first digit of the human hand, set lower and apart from the other four and opposable to them.

Synonyms

digit, opposable thumb, pollex.

Which Synonym Should You Choose?

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Word Description / Examples
thumb

Commonly used in everyday language to refer to the short, thick first digit on the human hand.

  • I accidentally hit my thumb with a hammer.
  • He gave a thumbs up to show approval.
digit

Used in more formal or scientific contexts to refer to any of the fingers or toes.

  • Humans have ten digits in total.
  • The doctor examined all the digits on her hand.
opposable thumb

Often used in scientific or anatomical discussions to describe the unique characteristic of the human thumb, allowing it to touch all other fingers.

  • The opposable thumb is a key feature of human evolution.
  • Primates also have opposable thumbs.
pollex

A technical or anatomical term for the thumb, used in medical or scientific writing.

  • The injury was to the pollex of her right hand.
  • Anatomically, the pollex has a high degree of dexterity.

Examples of usage

  • His thumb was sore from hitting it with a hammer.
  • She sucked her thumb as a child.
  • I always use my thumb to scroll on my phone.
  • He gave a thumbs up to show his approval.
  • The thumb is essential for gripping objects.
Context #2 | Verb

expressing approval

To express approval or satisfaction by raising one's thumb.

Synonyms

approve, endorse, signal.

Which Synonym Should You Choose?

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Word Description / Examples
thumb

Informally indicating approval or disapproval, often using a gesture.

  • He gave a thumbs up to show agreement
  • She got a thumbs down for her idea
approve

Formally agreeing or accepting something, often in official or administrative contexts.

  • The manager has to approve the budget
  • The committee approved the new policy
signal

Indicating, often non-verbally, that something is about to happen or is the correct action to take.

  • She signaled the waiter to come over
  • The coach signaled to start the play
endorse

Publicly supporting or recommending something or someone, often used in marketing or public statements.

  • The celebrity endorsed the new product
  • The politician endorsed the candidate for mayor

Examples of usage

  • He thumbed through the magazine quickly.
  • She thumbed her nose at the critics.
  • Thumbs up for a job well done!
  • I'll thumb a ride to the concert if I can.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Anatomy

  • The thumb is known as the 'pollex' in scientific terms and has its own range of motion that allows for gripping.
  • Unlike the other fingers, the thumb can rotate and is opposable, helping us grasp objects tightly.

Cultural Significance

  • In many cultures, giving a thumbs-up is a sign of approval or good luck.
  • In Roman times, a thumb gesture could signal life or death in gladiatorial combat.

Psychology

  • The way we use our thumb affects our brain's development in the areas linked to fine motor skills.
  • Research shows that thumb strength can influence a child's ability to write and draw effectively.

History

  • Historically, the thumb has been a crucial tool in tool-making, enabling humans to shape instruments and crafts.
  • The expression 'rubbing your thumb' to bring good luck or fortune has origins in various cultures dating back centuries.

Art and Literature

  • The thumb appears in famous artworks, often symbolizing humanity's dexterity and creativity.
  • In literature, the thumb is often used metaphorically to represent control or power in hand gestures.

Origin of 'thumb'

The word 'thumb' can be traced back to the Old English word 'thลซma', which is related to the Old High German word 'dลซmo'. The thumb has always been considered an important and unique digit due to its opposable nature, allowing humans to grasp and manipulate objects with precision. Throughout history, the thumb has been a symbol of strength, dexterity, and approval.


See also: thumbs, thumbtack.

Word Frequency Rank

At #6,304 in frequency, this word belongs to advanced vocabulary. It's less common than core vocabulary but important for sophisticated expression.