similarity

noun

sim·​i·​lar·​i·​ty ˌsi-mə-ˈler-ə-tē 

-ˈla-rə-

plural similarities

1

: the quality or state of being similar : resemblance

2

: a comparable aspect : correspondence

Synonyms of similarity

• resemblance

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

The pair shared a remarkable similarity in the smiling selfie taken at SoFi Stadium, wearing dark shades, wide grins and their hair in a center part. — Clare Fisher, PEOPLE, 3 Nov. 2026

The case against Morales shares similarities with the investigation into the fatal ICE shooting of Salgado Araujo in his van in July, Teare said. — Emma Tucker, CNN Money, 2 Nov. 2026

The hype around hydroxyapatite is, in part, due to its similarity to tooth enamel. — Rachel Carlson, NPR, 2 Nov. 2026

But there’s a Marie Antoinette-style similarity between Hussein’s narcissist tendencies and Trump’s obsession with all that glitters — from the water in the reflecting pool to the walls of the Oval Office — even as the economy crashes. — Los Angeles Times, 30 Oct. 2026

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

Phrases Containing similarity

• self-similarity
• there the similarity ends

Rhymes for similarity

• angularity
• bipolarity
• capillarity
• cellularity
• circularity
• familiarity
• granularity
• insincerity
• insularity
• modularity
• osmolarity
• popularity

Kids Definition

similarity

noun

sim·​i·​lar·​i·​ty ˌsim-ə-ˈlar-ət-ē 

plural similarities

1

: the quality or state of being similar : resemblance

2

: a point in which things are similar : correspondence