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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.

Unless the stock can get firmly above the upper boundary of the resistance zone, which comes in around $298, the key downside level to watch is the March 12 intraday low of around $279.

From MarketWatch • Mar. 31, 2026

“We want people to feel unease, but I don’t want anyone taken out of the story because a boundary or line was crossed,” Millet says.

From Los Angeles Times • Mar. 26, 2026

Strong reflections at the air-dielectric boundary keep the light circulating inside the cavity.

From Science Daily • Mar. 24, 2026

There have been boundary changes for this election so some constituencies have changed name and shape.

From BBC • Mar. 24, 2026

When the crust reached the end of its journey at the boundary with continents, it plunged back into the Earth in a process known as subduction.

From "A Short History of Nearly Everything" by Bill Bryson