1 : the quality or state of being similar : resemblance. 2 : a comparable aspect : correspondence.

What is an example of similarity?

The definition of a similarity is a quality or state of having something in common. When you and your cousin look exactly alike, this is an example of when the similarity between you two is striking. ... The state or quality of being similar; resemblance or likeness.

What is the similarity?

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.