Word.ws English Dictionary

Plural of boundary

regular plural

The plural of boundary is boundaries.

Forms of boundary

Singularboundary /ˈbaʊndɹi/
Pluralboundaries /ˈbaʊnd(ə)ɹiz/
Countablecountable

Boundaries in a sentence

  • City or national boundaries are locations of economic opportunity, especially if the existence of the border is itself the source of a monopoly situation that favors one side over the other (Krakover, 1997).2017 October, Juin-Jen Chang, Ching-Chong Lai, Ping Wang, “A Tale of Two Cities: Cross-Border Casino Competition Between Detroit and...
  • I didn’t mean to push the boundaries by sending my boss a message on Saturday night.
  • Post towns rarely correspond exactly to administrative boundaries and their associated physical features.From the entry post town
  • Jones hit four boundaries in the first over.From the entry over
  • The posts mark the boundaries of the property.From the entry post

Meaning of boundary

  1. noun The dividing line or location between two areas.
  2. noun The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond).
  3. noun An edge or line marking an edge of the playing field.

Full definition of boundary

Questions about the plural of boundary

What is the plural of boundary?
The plural of boundary is boundaries.
Is boundary countable?
Boundary is a countable noun.

Source and license

Adapted from Wiktionary: boundary (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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