relation

noun

re·​la·​tion ri-ˈlā-shən 

1

: the act of telling or recounting : account

2

: an aspect or quality (such as resemblance) that connects two or more things or parts as being or belonging or working together or as being of the same kind

the relation of time and space

specifically : a property (such as one expressed by is equal to, is less than, or is the brother of) that holds between an ordered pair of objects

3

: the referring by a legal fiction of an act to a prior date as the time of its taking effect

—usually used with back

4

a(1)

: a person connected by consanguinity or affinity : relative

(2)

: a person legally entitled to a share of the property of an intestate

b

: relationship by consanguinity or affinity : kinship

5

: reference, respect

in relation to

6

: the attitude or stance which two or more persons or groups assume toward one another

race relations

7

a

: the state of being mutually or reciprocally interested (as in social or commercial matters)

b relations plural

(1)

: dealings, intercourse

foreign relations

(2)

: sexual intercourse

Synonyms

• commerce
• dealings
• interaction
• intercourse

Examples of relation in a Sentence

The incident led to tense international relations.

Recent Examples on the Web

President Trump spoke at length with Chinese leader Xi Jinping by phone Thursday in an attempt to put relations back on track. —Ken Moritsugu, Los Angeles Times, 9 June 2025

Deputies frequently praised for inmate relations Over the course of their careers, all three deputies regularly received positive evaluations about their conduct with inmates, according to personnel files released Friday. —Shira Moolten, Sun Sentinel, 7 June 2025

The decision landed against a backdrop of strained diplomatic relations between the United States and Mexico. —Maureen Groppe, USA Today, 6 June 2025

South Korea’s new left-leaning president, Lee Jae-myung, plans to foster friendly relations with China and reduce tensions with North Korea, in contrast with the staunchly pro-U.S. stance of his conservative predecessor. —Ann Scott Tyson, Christian Science Monitor, 6 June 2025

Word History

Etymology

Middle English relacion, from Anglo-French, from Latin relation-, relatio, from referre (past participle relatus) to carry back

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing relation

• bear no relation to
• blood relation
• equivalence relation
• in relation to
• near relation
• no relation

Rhymes for relation

• ablation
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation
• collation

Kids Definition

relation

noun

re·​la·​tion ri-ˈlā-shən 

1

: the act of telling or describing

2

: connection sense 2, relationship

the relation of employer to employee

3

: a related person : relative

4

: reference entry 1 sense 2, respect

in relation to this matter

5

a

: the state of sharing an interest (as in social or business matters)

b

plural : business or public affairs

good trade relations

foreign relations

c

plural : dealings between persons or groups

improved his relations with his family

relational

-shnəl

-shən-ᵊl

adjective

Medical Definition

relation

noun

re·​la·​tion ri-ˈlā-shən 

1

: an aspect or quality (as resemblance or causality) that connects two or more things or parts as being or belonging or working together, as being of the same kind, or as being logically connected

the strong relation between genotype and phenotype

—Anne M. Glazier et al.

2

: the attitude or stance which two or more persons or groups assume toward one another

race relations

3

a

: the state of being mutually or reciprocally interested (as in social matters)

b

relations plural : sexual intercourse

testified that relations had occurred

—Newsweek

relational

-əl 

adjective