sim·​i·​lar·​i·​ty | \ ˌsi-mə-ˈler-ə-tē How to pronounce similarity (audio) , -ˈla-rə- \
plural similarities

Definition of similarity

1 : the quality or state of being similar : resemblance
2 : a comparable aspect : correspondence

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Choose the Right Synonym for similarity

likeness, similarity, resemblance, similitude, analogy mean agreement or correspondence in details. likeness implies a closer correspondence than similarity which often implies that things are merely somewhat alike. a remarkable likeness to his late father some similarity between the two cases resemblance implies similarity chiefly in appearance or external qualities. statements that bear little resemblance to the truth similitude applies chiefly to correspondence between abstractions. two schools of social thought showing points of similitude analogy implies likeness or parallelism in relations rather than in appearance or qualities. pointed out analogies to past wars

Examples of similarity in a Sentence

I doubt that these words are related beyond a similarity in sound. The books share a similarity of ideas. I see a lot of similarities in them. Looking at these fossils, I see some similarity to modern-day birds. I see very little similarity between your situation and his.
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Recent Examples on the Web Beyond Moïse’s use of state violence to suppress opposition, anti-Moïse protesters before his killing pointed out another similarity with the Duvalier era: the United States’ support. Tamanisha John, The Conversation, 7 July 2021 The most visually distinctive similarity, though, is the signature tri-color chronograph registers in shades of gray and blue, along with the trapezoid date window at 04:30 (pictured below). Carol Besler, Robb Report, 30 June 2021 Other experts thought the similarity between the Tibetan jaw, with the Denisovan-like proteins, and the skull from Harbin pointed to Dragon Man’s real identity. New York Times, 25 June 2021 One potential similarity to 2018: a lack of concrete results, actions or new policies. Eli Stokols, Los Angeles Times, 14 June 2021 Another similarity to San Francisco: a devastating fire in 1922 forced Astorians to rebuild the city. Johannes Lichtman, Travel + Leisure, 9 June 2021 Self-similarity is also exhibited in every part of the supply chain. Cyrus Hadavi, Forbes, 4 June 2021 But there’s another similarity on a more basic, psychological level: Even those who know climate change to be real don’t necessarily want to think about it or support policies that address it. Toby Jaffe, The New Republic, 2 June 2021 Hinkel struggled to watch the video of Floyd’s death, and the similarity of the officers’ names—Derek Colling, Derek Chauvin—disturbed her. Abe Streep, The New Yorker, 21 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'similarity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of similarity

1615, in the meaning defined at sense 1

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Time Traveler for similarity

Time Traveler

The first known use of similarity was in 1615

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Dictionary Entries Near similarity





similarly placed



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Statistics for similarity

Last Updated

19 Jul 2021

Cite this Entry

“Similarity.” Dictionary, Merriam-Webster, Accessed 26 Jul. 2021.

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More Definitions for similarity



English Language Learners Definition of similarity

: a quality that makes one person or thing like another


sim·​i·​lar·​i·​ty | \ ˌsi-mə-ˈler-ə-tē How to pronounce similarity (audio) \
plural similarities

Kids Definition of similarity

: the quality or state of being alike in some way or ways There is a similarity in looks between the children.

More from Merriam-Webster on similarity

Nglish: Translation of similarity for Spanish Speakers

Britannica English: Translation of similarity for Arabic Speakers


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