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.
This year’s Carte Blanche collection centers on the simultaneous similarities and differences that make up humanity. — Fairchild Studio, Footwear News, 14 Oct. 2026 The proof’s similarities to Buckmaster and Alpöge’s progress are superficial. — Joseph Howlett, Scientific American, 13 Oct. 2026 Sheffield saw the Beetaloo’s upside, and its similarity to the Appalachia’s Marcellus Shale. — Jordan Blum, Fortune, 10 Oct. 2026 Despite sharing few similarities, Heaton had an idea of who this guy was. — Nicole Fell, HollywoodReporter, 9 Oct. 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 16 Oct. 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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