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Synonyms

similarity

American  
[sim-uh-lar-i-tee] / ˌsɪm əˈlær ɪ ti /

noun

similarities plural
  1. the state of being similar; likeness; resemblance.

    Synonyms:
    parallelism, correspondence, similitude
    Antonyms:
    difference
  2. an aspect, trait, or feature like or resembling another or another's.

    a similarity of diction.


Related Words

See resemblance.

Other Word Forms

Etymology

Origin of similarity

First recorded in 1655–65; similar + -ity

Explanation

You might get annoyed if people keep saying there is a similarity between you and your older sister, particularly if you're tired of being compared to her. A similarity is a sameness or alikeness. When you are comparing two things — physical objects, ideas, or experiences — you often look at their similarities and their differences. Difference is the opposite of similarity. Both squares and rectangles have four sides, that is a similarity between them. Just because two things share similarities doesn't mean they are the same.

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Vocabulary lists containing similarity

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.

Last week Vance even joked about the similarity himself, when asked about reports that Trump has been polling within the Republican party on whether they prefer Vance or Rubio.

From Barron's • May 19, 2026

"What we've done here is we've compared these drawings to Anne Boleyn's first cousins and to her daughter Elizabeth to look for the family similarity and geometry and they cluster," Davies explains.

From BBC • May 1, 2026

“I see that similarity in basketball. It’s always pulled me knowing you have to be good at everything instead of one particular skill.”

From Los Angeles Times • Apr. 26, 2026

However, their chemical similarity to certain plastics makes them difficult to distinguish in lab analyses, increasing the risk of false positives when studying microplastic pollution.

From Science Daily • Mar. 29, 2026

Kainene laughed and Olanna laughed and slapped her arm; Richard saw the similarity in the curve of their lips, in the shape of their slightly larger front teeth.

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

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