cousin

noun

cous·​in ˈkə-zən 

1

a

: a child of one's uncle or aunt

b

: a relative descended from one's grandparent or more remote ancestor by two or more steps and in a different line

c

: kinsman, relative

a distant cousin

2

: one associated with or related to another : counterpart

Rural children deserve as good an education as their city cousins get.

—Benjamin Fine

3

—used as a title by a sovereign in addressing a nobleman

4

: a member of a group regarded as ethnically or culturally related

our English cousins

cousinhood

ˈkə-zən-ˌhu̇d 

noun

cousinly adjective

cousinship

ˈkə-zən-ˌship 

noun

Synonyms of cousin

• relative
• relation
• family
• kin
• kinsman

Examples of cousin in a Sentence

Everyone came to the wedding, including a distant cousin no one had heard from in years.

The cricket is a cousin of the grasshopper.

hurricanes and their cousins, typhoons

Recent Examples on the Web

Inside, volunteers found her mother and father; her cousin and her 9-year-old daughter; her daughter’s friend; her cousin’s boyfriend and his 13-year-old son. — ABC News, 9 Sep. 2026

In this sense, Mehring’s play is echoing Einstein’s critique of the wealthy German Jews who disdained their poorer Eastern cousins. — Literary Hub, 9 Sep. 2026

Here, the lobster roll is surprisingly personal, with lobster sourced from chef Sewall’s cousin Mark, who captains a boat in York Harbor, Maine. — Todd Plummer, Condé Nast Traveler, 9 Sep. 2026

Our corporate cousin Variety earlier today first mentioned Ways and Means committee member Sanchez and ex-Rysher Entertainment executive Friedman, the successor to Schiff in Burbank, in relation to the potential legislation. — Dominic Patten, Deadline, 8 Sep. 2026

Word History

Etymology

Middle English cosin, from Anglo-French cusin, cosin, from Latin consobrinus, from com- + sobrinus second cousin, from soror sister — more at sister

First Known Use

14th century, in the meaning defined at sense 1a

Phrases Containing cousin

• cater-cousin
• cousin-german
• first cousin
• kissing cousin
• second cousin

Rhymes for cousin

• dozen

Kids Definition

cousin

noun

cous·​in ˈkəz-ᵊn 

1

a

: a child of one's uncle or aunt

b

: a relative descended from a common ancestor

2

: a member of a group regarded as ethnically or culturally related

our English cousins

Biographical Definition

Cousin

biographical name

Cou·​sin kü-ˈzaⁿ 

Victor 1792–1867 French philosopher