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Synonyms

proportion

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

noun

  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)

  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-pôrshən /
  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  

Related Words

See symmetry.

Other Word Forms

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.

The last time a budget increase of this proportion was approved was in 1952 during the Korean War.

From Salon • May 8, 2026

Unlike Rosmarin's emotional recount, another passenger on the ship, Kasem Hato, said "the whole situation has been blown out of proportion".

From BBC • May 5, 2026

“I was like, oh, I hope it’s not a person, because a person could be the same proportion as a bear,” he said.

From The Wall Street Journal • May 5, 2026

That was because of a higher proportion of open pit stockpile material through the plant, Whelan says.

From The Wall Street Journal • May 1, 2026

You may be shocked by their youth, yet they are typical of the small army of young men that make up a major proportion of the population of our prisons.

From "Newjack: Guarding Sing Sing" by Ted Conover