Barrier

//ˈbæɹi.ɚ// name, noun, verb

name, noun, verb ·Common ·High school level

Definitions

Noun
  1. 1
    A structure that bars passage.

    "The bus went through a railway barrier and was hit by a train."

  2. 2
    a structure or object that impedes free movement wordnet
  3. 3
    An obstacle or impediment.

    "Even a small fee can be a barrier for some students."

  4. 4
    any condition that makes it difficult to make progress or to achieve an objective wordnet
  5. 5
    A boundary or limit.

    "Few marathon runners break the three-hour time barrier."

Show 5 more definitions
  1. 6
    anything serving to maintain separation by obstructing vision or access wordnet
  2. 7
    A node (in government and binding theory) said to intervene between other nodes A and B if it is a potential governor for B, c-commands B, and does not c-command A.
  3. 8
    A separation between two areas of the body where specialized cells allow the entry of certain substances but prevent the entry of others.
  4. 9
    The lists in a tournament. historical
  5. 10
    A martial exercise of the 15th and 16th centuries. historical, in-plural
Verb
  1. 1
    To block or obstruct with a barrier. transitive
Proper Noun
  1. 1
    A surname from French.

Example

More examples

"Show your ticket at the barrier."

Etymology

From Middle English barryer, barrere, barryȝer, from Old French barriere (compare French barrière), from Old French barre (“bar”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.