Barrier Definition

bărē-ər
barriers
noun
barriers
A fortress, stockade, etc. for defending an entrance or gate.
Webster's New World
A thing that prevents passage or approach; obstruction, as a fence, wall, etc.
Webster's New World
Something immaterial that obstructs or impedes.
Lack of education can be a barrier to success.
American Heritage
A membrane, tissue, or mechanism that blocks the passage of certain substances.
American Heritage Medicine
Anything that holds apart, separates, or hinders.
Racial barriers, barriers to progress.
Webster's New World
Antonyms:
openinghelpaidadvantageopening. See syn. study at impediment.impedimentpassageway
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Other Word Forms of Barrier

Noun

Singular:
barrier
Plural:
barriers

Origin of Barrier

  • Middle English barrer from Old French barriere from Vulgar Latin barrāria from barra bar

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French barriere (cf. French barrière).

    From Wiktionary

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