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Definitions

boundary

[boun-duh-ree, -dree] / ˈbaʊn də ri, -dri /


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.

Its source was located more than 20 kilometers beneath the Mohorovičić discontinuity, commonly called the Moho, which marks the boundary between Earth's crust and the underlying mantle.

From Science Daily • Jun. 3, 2026

The boundary at which gaming ends and AI begins has always been blurry.

From MarketWatch • May 23, 2026

The road is a main thoroughfare and marks an unofficial east-west boundary for the unincorporated town of Altadena.

From Los Angeles Times • May 19, 2026

Like Gayle, Sooryavanshi's innings are built on brutal boundary hitting, though he gets there in a different way.

From BBC • May 7, 2026

The Tipped M butted up against the northeast boundary of my claim.

From "Hattie Big Sky" by Kirby Larson




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