Dictionary.com
Thesaurus.com
Showing results for similarity. Search instead for simianity.
Synonyms

similarity

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

noun

plural

similarities
  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

  • nonsimilarity noun
  • unsimilarity noun

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.

Keep Reading on Vocabulary.com

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.

The perceived similarity to Netflix’s “Nobody Wants This,” a rom-com pairing a rabbi with an agnostic podcaster, is probably intentional.

From Salon • Mar. 29, 2026

One notable example is the similarity between feline mammary cancer and human breast cancer.

From Science Daily • Mar. 18, 2026

Using what Mr. Pielke called an approximate “fuzzy match” raised the similarity to 47.8%.

From The Wall Street Journal • Mar. 13, 2026

The facts in the Gray case bear an eerie similarity to the Crumbleys’.

From Slate • Mar. 5, 2026

But more than anything else, as a writer, I was fascinated by the similarity of the emotional tensions of Bigger in America and Bigger in Nazi Germany and Bigger in old Russia.

From "Native Son" by Richard Wright