Dictionary.com
Thesaurus.com
Synonyms

proportional

American  
[pruh-pawr-shuh-nl] / prəˈpɔr ʃə nl /

adjective

  1. having due proportion; corresponding.

    Synonyms:
    proportionate, consonant, accordant, harmonious
  2. being in or characterized by proportion.

  3. of, relating to, or based on proportion; relative.

  4. Mathematics.

    1. (of two quantities) having the same or a constant ratio or relation.

      The quantities y and x are proportional if y/x = k, where k is the constant of proportionality.

    2. (of a first quantity with respect to a second quantity) a constant multiple of.

      The quantity y is proportional to x if y = kx, where k is the constant of proportionality.


proportional British  
/ prəˈpɔːʃənəl /

adjective

  1. of, involving, or being in proportion

  2. maths having or related by a constant ratio

"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

noun

  1. maths an unknown term in a proportion

    in a/b = c/x, x is the fourth proportional

"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

Other Word Forms

  • interproportional adjective
  • nonproportional adjective
  • nonproportionally adverb
  • proportionality noun
  • proportionally adverb
  • subproportional adjective
  • subproportionally adverb
  • unproportional adjective
  • unproportionally adverb

Etymology

Origin of proportional

First recorded in 1350–1400; Middle English proporcional, from Latin prōportiōnālis; proportion, -al 1

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.

In Holyrood's proportional representation system, the regional list ballot is a far bigger deal for the Greens - and that requires broad messages that can land nation-wide.

From BBC

The process to select regional MSPs uses a type of proportional representation.

From BBC

They will elect members to the 275-seat House of Representatives, the lower house, with 165 via a direct vote and 110 through proportional representation.

From Barron's

However, no one from the community has held public office since 2008, when Sunil Babu Pant, an openly gay man, became a lawmaker, nominated under the proportional representation system.

From Barron's

And this is where the proportional voting system for the Scottish Parliament is significant.

From BBC