Barrier meaning

bărē-ər
Frequency:
A membrane, tissue, or mechanism that blocks the passage of certain substances.
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The definition of a barrier is anything, either natural or manmade, that keeps something from passing through.

An example of a barrier is a fence.

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2
Something immaterial that obstructs or impedes.

Lack of education can be a barrier to success.

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A material formation or structure, such as a mountain range or wall, that prevents passage or access.
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Anything that holds apart, separates, or hinders.

Racial barriers, barriers to progress.

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A fortress, stockade, etc. for defending an entrance or gate.
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A customs gate on a country's border.
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A high fence of stakes enclosing the area in which a tournament of knights was held; lists.
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The movable gate used to keep the horses in line at the starting point.
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A membrane, tissue, or mechanism that blocks the passage of certain substances.
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A physical or biological factor that limits the migration, interbreeding, or free movement of individuals or populations.
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A physical or biological factor that limits the migration, interbreeding, or free movement of individuals or populations.
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A movable gate that keeps racehorses in line before the start of a race.
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The palisades or fences enclosing the lists of a medieval tournament.
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An ice barrier.
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A thing that prevents passage or approach; obstruction, as a fence, wall, etc.
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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