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Definition of boundary

boundary

/ˈbaʊn.dɚ.i/
bound · a · ry
Plural:boundaries
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boundary Lexical Profile

boundary Game Scores & Validity

• noun

1

A line, real or imagined, that marks the edge or limit of an area, territory, or property.

Example

"The ancient stone wall marks the northern boundary of the family estate."

2

An abstract limit of a subject, sphere of activity, or acceptable personal behavior.

Example

"Setting clear emotional boundaries is essential for maintaining healthy relationships."

3

In cricket, the outer edge of the playing field, or a hit that reaches or crosses this line to score four or six runs.

Example

"The batter struck the ball cleanly over the ropes for a match-winning boundary."

Synonyms
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Antonyms
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• Rhymes for boundary

• Nearby Words

bouncing
bouncy
bound
boundary
boundaryless
bounder
boundless

Word Origin & Etymology

Coined in the early 17th century from the noun bound (from Anglo-Norman bounde, meaning a limit or landmark) combined with the suffix -ary.

Cite this Entry

Wordmom. (2026). Definition of Boundary. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/boundary
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