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proportion

American  
[pruh-pawr-shuhn, -pohr-] / prəˈpɔr ʃən, -ˈpoʊr- /

noun

  • proportions
    plural
  1. comparative relation between things or magnitudes as to size, quantity, number, etc.; ratio.

    Synonyms:
    comparison
  2. proper relation between things or parts.

    to have tastes way out of proportion to one's financial means.

  3. relative size or extent.

  4. proportions, dimensions or size.

    a rock of gigantic proportions.

  5. a portion or part in its relation to the whole.

    A large proportion of the debt remains.

    Synonyms:
    share
  6. symmetry, harmony, or balance.

    an architect with a sense of proportion.

    Synonyms:
    arrangement, distribution
  7. the significance of a thing or event that an objective view reveals.

    You must try to see these mishaps in proportion.

  8. Mathematics. a relation of four quantities such that the first divided by the second is equal to the third divided by the fourth; the equality of ratios.

  9. Archaic. analogy; comparison.


verb (used with object)

  • proportions,
    present (3rd person singular)
  • proportioned,
    past participle,  past
  • proportioning
    present participle
  1. to adjust in proper proportion or relation, as to size, quantity, etc.

    Synonyms:
    harmonize, balance, arrange, regulate
  2. to balance or harmonize the proportions of.

proportion British  
/ prəˈpɔːʃən /

noun

  1. the relationship between different things or parts with respect to comparative size, number, or degree; relative magnitude or extent; ratio

  2. the correct or desirable relationship between parts of a whole; balance or symmetry

  3. a part considered with respect to the whole

  4. (plural) dimensions or size

    a building of vast proportions

  5. a share, part, or quota

  6. maths a relationship that maintains a constant ratio between two variable quantities

    x increases in direct proportion to y

  7. maths a relationship between four numbers or quantities in which the ratio of the first pair equals the ratio of the second pair

"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

verb

  1. to adjust in relative amount, size, etc

  2. to cause to be harmonious in relationship of parts

"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
proportion Scientific  
/ prə-pôr′shən /
  1. A statement of equality between two ratios. Four quantities, a, b, c, and d, are said to be in proportion if a/b = c/d .


proportion Idioms  

Synonym Usage

See symmetry.

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of proportion

First recorded in 1350–1400; Middle English proporcio(u)n from Latin prōportiōn-, stem of prōportiō “symmetry, analogy”; equivalent to pro- 1 + portion


Explanation

Proportion is about balance and how things fit together harmoniously. For example "That hound dog's tiny legs look out of proportion to that big fat body." The prefix comes from the Latin pro meaning "on behalf of, for." If you're Proportion likes portions, and for them to be the right size. The cake's sweetness is in direct proportion to how much sugar you put in. It's a compliment to tell someone he or she has just the right proportions, but you might get slapped. It can also be a part of something, as in a significant proportion of our student body has dyed their hair purple.

Keep Reading on Vocabulary.com

Vocabulary lists containing proportion

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.

See Examples For:

The employment rate, or the proportion of the working-age population that is employed, declined slightly to 60.5% from 60.6%.

From The Wall Street Journal ● Nov. 6, 2026

“A print, a color, a way of dressing, or a certain body proportion can trigger a memory.”

From Los Angeles Times ● Nov. 4, 2026

Using those additional criteria, the estimated proportion of Americans classified as having obesity rises to 75%.

From Science Daily ● Nov. 2, 2026

Sgt Dave Catlow from the National Business Crime Centre is overseeing a clampdown on tool theft and said organised crime groups were responsible for a large proportion.

From BBC ● Oct. 30, 2026

Her interest in the proceedings of the meetings increased in direct proportion to her proximity to them.

From "Hidden Figures" by Margot Lee Shetterly

But three centuries after it was nearly destroyed by a flood of biblical proportions, vultures now roost in its ruined steeples.

From Barron's ● Nov. 3, 2026

The most sharply etched genres achieve their proportions by way of just a few seminal examples.

From The Wall Street Journal ● Oct. 28, 2026

The results showed that its limb proportions closely resembled those of modern ground-dwelling birds and certain other prehistoric dinosaurs closely related to birds.

From Science Daily ● Oct. 24, 2026

The main residence makes a dramatic first impression with its Mediterranean-inspired architecture and grand proportions.

From MarketWatch ● Oct. 12, 2026

Its proportions are too chunky, too broad of beam, too crudely hewn.

From "Into Thin Air" by Jon Krakauer

Inside Ball’s former Charlotte residence, soaring ceilings and expansive windows create an open atmosphere, allowing natural light to flow throughout the home’s generously proportioned living spaces.

From MarketWatch ● Oct. 29, 2026

He’s a ridiculously proportioned savant who dribbles like a point guard, blocks shots like a center and puts up stat lines matched only by Hall-of-Famers.

From The Wall Street Journal ● Oct. 21, 2025

And then there are the paintings and canvases, too small and oddly proportioned compared to the wall.

From Salon ● Oct. 11, 2025

Named to honor the Ama freedivers — a 2,000-year-old tradition of predominantly women-led divers who gather pearls and seafood in Japan — the bestselling Lindquist Big Ama Bag is a perfectly proportioned shoulder-carry bucket tote.

From Los Angeles Times ● Mar. 17, 2025

Tall and solidly proportioned, he wears wire-rimmed glasses that give him a professorial demeanor.

From "Into the Wild" by Jon Krakauer

In addition to proportioning congressional seats, census results are also used to distribute federal funds and within each state to redraw congressional, legislative and local election district lines.

From The Wall Street Journal ● Sep. 10, 2026

If you were of the Larkin persuasion – that it was all downhill from Charlie Parker onwards – the proportioning might have been music to your ears.

From The Guardian ● Sep. 6, 2014

Moreover, he possessed as a birthright that ultimate skepticism which is the proportioning power of true wisdom.

From Time Magazine Archive

In the 1924 election they were mystified by the so-called scrutin de liste, a well meant but inexplicable procedure which was supposed to ensure by mathematical proportioning a greater representation of minority groups in Parliament.

From Time Magazine Archive

British builders had, until after the introduction of these later types of vessels-of-war, been distinguished rather by the weight of their machinery than for nice calculation and proportioning of parts.

From A History of the Growth of the Steam-Engine by Robert H. Thurston

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