Definition of similarity noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌsɪməˈlærəti//
    ; NAmE NAmE//ˌsɪməˈlærəti//
    (pl. similarities)
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  1. 1[uncountable, singular] the state of being like somebody/something but not exactly the same synonym resemblance similarity (between A and B) The report highlights the similarity between the two groups. similarity (to somebody/something) She bears a striking similarity to her mother. similarity (in something) There is some similarity in the way they sing. They are both doctors but that is where the similarity ends.
  2. 2[countable] a feature that things or people have that makes them like each other synonym resemblance a study of the similarities and differences between the two countries similarity in/of something similarities in/of style similarity to/with somebody/something The karate bout has many similarities to a boxing match.
  3. opposite difference, dissimilarity
    Extra examples The area bears a superficial similarity to Tokyo. The panel shows marked similarities with mosaics found elsewhere. There are several points of similarity between the two cases. These theories share certain similarities. a route across the Pacific which may explain the similarity between the two cultures the chimpanzee’s similarity to humans the close similarity in our ages the striking similarity in their appearance We carried out a study of the similarities and differences between the two countries.
See the Oxford Advanced American Dictionary entry: similarity