proportions

proportions — noun

1. a pleasing or correct relationship between the size, shape, or position of the d

1.nounB2
Definition

a pleasing or correct relationship between the size, shape, or position of the different parts of something, so that the whole effect looks right

Example

Sven adjusted the width of the window frames to keep the proportions of the house front balanced.

collocation: keep (the) proportions balanced

A good artist develops an eye for proportion from years of drawing the human body.

uncountable usage: 'proportion' for the abstract quality

Common collocations
  • in proportion
  • out of proportion
  • keep in proportion
  • sense of proportion
  • perfect proportions
Synonyms
  • symmetry

    emphasises mirror-like balance of matching sides, while proportion is about any pleasing size relationship

  • balance

    more general term for visual or conceptual stability

  • harmony

    focuses on how parts work together smoothly

Antonyms

Usage Note

Often uncountable (proportion) when referring to the abstract quality. Plural (proportions) when naming the specific size relationships of particular parts.

2. a comparison between two amounts or quantities, showing how much there is of one

2.nounB2
Definition

a comparison between two amounts or quantities, showing how much there is of one thing relative to the other, often written as a pair of numbers

Example

The proportion of men to women in the engineering department is roughly three to one.

pattern: proportion of [X] to [Y]

Noa mixes the paint using a proportion of two parts blue to one part white for the sky.

Common collocations
  • proportion of X to Y
  • high proportion
  • low proportion
  • in proportion to
Synonyms
  • ratio

    more precise, often used in maths and science contexts

  • rate

    focuses on speed or frequency relative to a base, not a static comparison

Grammar Patterns

proportion of [noun] to [noun]

Usage Note

Typically followed by 'of [group/item] to [group/item]'. For percentages, use 'a large/small/high/low proportion of...'.

Common Mistakes

The proportion between sugar and flour is 2:1.
The proportion of sugar to flour is 2:1.
proportion typically pairs items using 'of ... to ...', not 'between'.

3. a part or share of a total amount, often expressed as a percentage or fraction t

3.nounB1
Definition

a part or share of a total amount, often expressed as a percentage or fraction that shows how much of the whole it represents

Example

A large proportion of the town's budget goes towards maintaining the old roads and bridges.

pattern: large/small proportion of [noun]

Tuan calculated what proportion of his monthly income went to rent and utilities.

Common collocations
  • large proportion
  • small proportion
  • significant proportion
  • proportion of the population
Synonyms
  • percentage

    more specific — always expressed out of 100; proportion can be any fraction

  • share

    emphasises division among participants or owners

  • portion

    often used for physical amounts or servings

Grammar Patterns

proportion of [noun]

Usage Note

Unlike sense 1 (RATIO), this sense does not require a comparison between two named groups — it simply states a fraction of a single whole.

4. the size, extent, or importance of something, especially when it is surprisingly

4.nounB2
Definition

the size, extent, or importance of something, especially when it is surprisingly large or extreme

Example

The floods reached such proportions that the army had to rescue people by helicopter.

pattern: reach ... proportions

Vinícius was shocked by the enormous proportions of the new shopping centre in his neighbourhood.

Common collocations
  • epic proportions
  • enormous proportions
  • reach proportions
  • grow to proportions
  • of ... proportions
Synonyms
  • magnitude

    more formal; emphasises measured size or importance

  • scale

    focuses on the range or scope of something

  • extent

    suggests how far something reaches or how much area it covers

Grammar Patterns

[adjective] proportions

Usage Note

Almost always plural (proportions) in this sense. Frequently appears with an adjective (enormous, Biblical, epic) before it. Can suggest something has become too large or serious.

Idioms

of ... proportions

idiom

used after an adjective to describe how large, serious, or extreme something is, often suggesting it is surprising or hard to manage

The delay in delivering food supplies created a crisis of humanitarian proportions across the region.

James described the traffic jam as a problem of monumental proportions that no simple solution could fix.

proportions — verb

Word family

Synonym discussion

Sense: noun/3

These four words all describe a part of a whole, but differ in precision and context. Proportion is the broadest — it simply says how much of something there is relative to the total, often as a fraction ("a large proportion of the budget"). Percentage is more specific: it always means out of 100 and is preferred in statistics, surveys, and formal reports ("the unemployment percentage rose"). Share adds the idea of distribution among multiple recipients or owners ("her share of the inheritance") and is common in business and family contexts. Portion is the most concrete, often referring to a physical piece or serving ("a portion of the cake") or a limited allocation ("a portion of the land"). For academic writing, proportion and percentage are safest; for everyday speech about dividing things, share and portion sound more natural.

proportion ↗percentage ↗share ↗portion ↗

Common collocations

Nouns

  • sense of proportion
  • proportion of the budget
  • proportion of students

Adverbs

  • directly proportioned
  • perfectly proportioned

Phrases

  • in proportion
  • out of proportion
  • blow out of proportion
  • keep in proportion

Prepositions

  • in proportion to
  • out of proportion with

Etymology

LatinOld FrenchEnglish

The word 'proportion' entered English from Old French 'proporcion', which came from Latin 'proportio' — a combination of 'pro' (for, in relation to) and 'portio' (share, part). The Latin term was used by Roman writers to translate the Greek 'analogia' (analogy), referring to the mathematical relationship between parts. The noun appeared in English around the 14th century, first in mathematical contexts and later extending to art, design, and general use. The verb form developed in the 16th century as people needed a word for the act of adjusting things to the right size relationship.

First known use

14th century

14th century, in the meaning defined at sense 1 Verb