BOUNDARY Synonyms: 65 Similar and Opposite Words

boundary

noun

ˈbau̇n-d(ə-)rē

as in limit

a real or imaginary point beyond which a person or thing cannot go parents have to set boundaries for their children, and the children want them to

Synonyms & Similar Words

Relevance

as in perimeter

the line or relatively narrow space that marks the outer limit of something that chalk line marks the boundary of our playing field

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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Recent Examples of boundary But defining the boundaries could be slippery; how to account, for instance, for all the writers using ChatGPT in the early stages of script creation? —

Hilary Lewis, HollywoodReporter, 7 Apr. 2026 Job boundaries and occupational boundaries are likely to change in big ways. —

Matthew Heimer, Fortune, 7 Apr. 2026 Also for the second half of 2026, there is A Good Therapist, a movie starring Ricardo Darín as psychoanalyst who begins to push the boundaries with his patients. —

Stewart Clarke, Deadline, 7 Apr. 2026 Glover then narrated his view of the terminator, the boundary between night and day on the Moon. —

Stephen Clark, ArsTechnica, 7 Apr. 2026 See All Example Sentences for boundary

Recent Examples of Synonyms for boundary

Noun

The county says 40 wells throughout the county are currently not capped, with an additional 10 within Fort Collins city limits also vulnerable.

— Dillon Thomas, CBS News, 8 Apr. 2026
The toilet has been on-and-off limits to the crew ever since last week’s launch, prompting them to rely on a backup bag-and-funnel system for urinating.

— Marcia Dunn, Chicago Tribune, 7 Apr. 2026