[ sim-uh-ler ]
See synonyms for: similarsimilarly on

  1. having a likeness or resemblance, especially in a general way: two similar houses.

  2. Geometry. (of figures) having the same shape; having corresponding sides proportional and corresponding angles equal: similar triangles.

  1. Mathematics. (of two square matrices) related by means of a similarity transformation.

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Origin of similar

First recorded in 1605–15; earlier similary, from French similaire or directly from Medieval Latin similāris, equivalent to Latin simili(s) “like, similar” (akin to simul “together”; cf. simplex) + -āris -ar1

synonym study For similar

1. See same.

Other words for similar

Opposites for similar

Other words from similar

  • sim·i·lar·ly, adverb
  • non·sim·i·lar, adjective
  • qua·si-sim·i·lar, adjective
  • self-sim·i·lar, adjective
  • un·sim·i·lar, adjective

Words Nearby similar Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use similar in a sentence

British Dictionary definitions for similar


/ (ˈsɪmɪlə) /

  1. showing resemblance in qualities, characteristics, or appearance; alike but not identical

  2. geometry (of two or more figures) having corresponding angles equal and all corresponding sides in the same ratio: Compare congruent (def. 2)

  1. maths (of two classes) equinumerous

Origin of similar

C17: from Old French similaire, from Latin similis

usage For similar

As should not be used after similar: Wilson held a similar position to Jones (not a similar position as Jones); the system is similar to the one in France (not similar as the one in France)

Derived forms of similar

  • similarity (ˌsɪmɪˈlærɪtɪ), noun
  • similarly, adverb

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