AskDefine | Define similar

Dictionary Definition

similar adj
1 marked by correspondence or resemblance; "similar food at similar prices"; "problems similar to mine"; "they wore similar coats" [ant: dissimilar]
2 having the same or similar characteristics; "all politicians are alike"; "they looked utterly alike"; "friends are generaly alike in background and taste" [syn: alike(p), like] [ant: unalike]
3 resembling or similar; having the same or some of the same characteristics; often used in combination; "suits of like design"; "a limited circle of like minds"; "members of the cat family have like dispositions"; "as like as two peas in a pod"; "doglike devotion"; "a dreamlike quality" [syn: like] [ant: unlike]
4 (of words) expressing closely related meanings
5 capable of replacing or changing places with something else; "interchangeable parts" [syn: exchangeable, interchangeable, standardized, standardised]

User Contributed Dictionary



From similaire.


  • (UK) /ˈsɪmələ/, /"sIm@l@/
  • (US) /ˈsɪməlɚ/, /"sIm@l@`/


  1. Having traits or characteristics in common; alike, comparable.
  2. of triangles, etc., having corresponding angles equal and corresponding line segments proportional (the same shape, but possibly different size).

Related terms


Extensive Definition

Similarity is some degree of symmetry in either analogy and resemblance between two or more concepts or objects. The notion of similarity rests either on exact or approximate repetitions of patterns in the compared items. In the case of approximate repetitions we talk about statistical similarity as found in a fractal and its parts. Finding similarities or distinguishing between dissimilarities depends on the faculties of pattern recognition and disambiguation, respectively.
A general method to calculate probability of an event based on another similar event is called relative probability If A, B are different events Probability of A = P(A) Then P(B) = P(A) x R where R is the similarity ratio between A,B If A=B --> R=1 If A R=0

Specific definitions

Different fields provide differing definitions of similarity:

See also

difference, sameness, equality
similar in German: Ähnlichkeit
similar in French: similitude

Synonyms, Antonyms and Related Words

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