Grade 7
(bound-a-ry) 3 syllables

Definition

noun. a line that marks the limit of an area.

Example Sentence

This river forms a natural boundary between the two states.

More Example Sentences

Children should not cross the boundary line.

Synonyms

border; limit; edge

Antonyms

center; middle; interior

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boundary
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Rhymes

  • boundary
  • foundry

  • boundary