similarity

noun

sim·​i·​lar·​i·​ty ˌsi-mə-ˈler-ə-tē How to pronounce similarity (audio)
-ˈla-rə-
plural similarities
Synonyms of similaritynext
1
: the quality or state of being similar : resemblance
2
: a comparable aspect : correspondence
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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The only similarity between the person participating in the experiment and the stranger was gender—the stranger’s face was not a doppelgänger. Nicole Karlis, Allure, 14 Aug. 2026 The same research tradition shows that such perceptions involve judgements about intention and expression, and not just visual similarity. Literary Hub, 14 Aug. 2026 With its towers and waterfront location, there are some similarities to this trip’s starting point, Toronto, but Vancouver is slower in pace and more rooted in its nature-rich setting. Maryam Siddiqi, Travel + Leisure, 14 Aug. 2026 Droney and Sami were identified as suspects in that case first, then police in San Leandro noticed the similarities between the two crimes, leading to the criminal charges in the East Bay, court records show. Nate Gartrell, Mercury News, 14 Aug. 2026 See All Example Sentences for similarity

Word History

Etymology

borrowed from New Latin similāritāt-, similāritās, from Medieval Latin similāris similar + Latin -itāt-, -itās -ity

First Known Use

1615, in the meaning defined at sense 1

Time Traveler
The first known use of similarity was in 1615

Browse Nearby Words

Cite this Entry

“Similarity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/similarity. Accessed 17 Aug. 2026.

Kids Definition

similarity

noun
plural similarities
1
: the quality or state of being similar : resemblance
2
: a point in which things are similar : correspondence

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