separation

noun

sep·​a·​ra·​tion ˌse-pə-ˈrā-shən 

1

: the act or process of separating : the state of being separated

2

a

: a point, line, or means of division

b

: an intervening space : gap

the separation between wheel spokes

3

a

: cessation of cohabitation between a married couple by mutual agreement or judicial decree

b

: termination of a contractual relationship (such as employment or military service)

Synonyms of separation

• dissolution
• split
• breakup
• partition
• division

Examples of separation in a Sentence

After a separation of 30 years, she visited her family in Cuba.

Moving away meant separation from his family.

Recent Examples on the Web

Dissolving Lines The traditional separation between news outlets’ editorial and business halves has been facing pressure from both sides of that line. — Max Tani, semafor.com, 5 Oct. 2026

And generally, Dolphins receivers — aside from Washington — don’t seem to be getting enough separation. — Barry Jackson, Miami Herald, 5 Oct. 2026

The company will now evaluate its separation platform against relevant scandium-bearing feedstocks, with the initial research focused on determining whether the technology can support high-purity scandium recovery at larger scales. — Maria Mocerino, Interesting Engineering, 3 Oct. 2026

One of the hallmarks of the modern corporation is the separation of ownership from control. — Ben Tarnoff, The New York Review of Books, 3 Oct. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing separation

• grade separation
• separation anxiety
• separation of church and state

Rhymes for separation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

separation

noun

sep·​a·​ra·​tion ˌsep-ə-ˈrā-shən 

1

: the act or process of separating : the state of being separated

2

a

: a point or line of division

b

: a space that comes between things : gap

the separation between wheel spokes

3

a

: a formal separating of spouses by agreement but without divorce

b

: the ending of a relationship that is bound by a contract (as employment or military service)

Medical Definition

separation

noun

sep·​a·​ra·​tion ˌsep-ə-ˈrā-shən 

1

: the process of isolating or extracting from or of becoming isolated from a mixture

also : the resulting state

2

: dislocation see shoulder separation

Legal Definition

separation

noun

sep·​a·​ra·​tion ˌse-pə-ˈrā-shən 

1

: cessation of cohabitation between a married couple by mutual agreement with intent that it be permanent

also : legal separation compare divorce

Note: In some cases in which the estrangement is extreme, a separation is considered to have occurred even when the couple retain the same residence if they have stopped communicating and engaging in sexual relations and intend to be separated.

2

: termination of a contractual relationship (as employment or military service)