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 This genetic similarity also has cultural implications. The New Yorker, "The Mail," 29 June 2020 Ferrell could only dream about Pierce Brosnan taking the part, despite a noticeable lack of similarity. Bryan Alexander, USA TODAY, "Will Ferrell reveals his handsome, but mean, 'Eurovision Song Contest' father: Pierce Brosnan," 11 June 2020 Professional advancement cannot depend on gut feelings or homophily (the similarity one has to those in leadership). Richard J. Reddick, Fortune, "We can’t breathe at work, either: John Henryism and the health impact of racism," 19 June 2020 All this can suggest points of similarity with Martin Luther King, Jr., another Georgian who was infused with Continental ideas up north and then returned south to take up a brief, urgent calling. Paul Elie, The New Yorker, "How Racist Was Flannery O’Connor?," 15 June 2020 In March, researchers published a study that found a 96.2% similarity between the coronavirus that causes Covid-19 and a virus found in a horseshoe bat from China's Yunnan province. Kristen Rogers, CNN, "6 reasons why bats aren't enemies: They help make tequila, and other surprising facts you may not know," 14 June 2020 Amazon lets users set a minimum similarity threshold to count a photo as a match. Timothy B. Lee, Ars Technica, "Amazon announces one-year ban on police use of facial recognition tech," 11 June 2020 Darwin’s curiosity was piqued by its similarity to a species of agouti, a rodent native to South America. National Geographic, "Darwin's first—and only—trip around the world began a scientific revolution," 11 June 2020 And the post’s underlying implication about the similarity of the two situations is just as off base. Eric Litke, USA TODAY, "Fact-check: No, Donald Trump church photo op was not the same as Bill Clinton church photo," 9 June 2020

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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Statistics for similarity

Last Updated

6 Jul 2020

Cite this Entry

“Similarity.” Dictionary, Merriam-Webster, Accessed 10 Jul. 2020.

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More Definitions for similarity


How to pronounce similarity (audio)

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.

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