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Definitions

cohabitation

NOUN
common-law marriage
Synonyms
WEAK
living as man and wife
NOUN
sexual intercourse
Synonyms
WEAK
coitus consummation copula going to bed with sex sexual commerce sexual congress sexual relations sleeping with
NOUN
sexual relations
Synonyms
WEAK
carnal knowledge coitus copulation intercourse intimacy lovemaking marital relations mating nooky relations screwing sexual intercourse sexual union sleeping together sleeping with

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A unifying figure on the left, Jospin led a coalition government of Socialists, Greens and Communists in a cohabitation arrangement with centre-right President Jacques Chirac.

From Barron's • Mar. 26, 2026

Others are opting for cohabitation or staying single.

From Los Angeles Times • Dec. 31, 2025

There have been three periods of cohabitation in the past:

From BBC • Jun. 19, 2024

I don’t think fighting with your mom about your cohabitation agreement is a petty or low-stakes problem.

From Slate • Feb. 5, 2024

Barely two days into our cohabitation, Camel’s tremors are so bad he can’t even speak.

From "Water for Elephants" by Sara Gruen

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.