barrier

noun, verb — 8 senses

barrier

noun

UK /ˈbæɹi.ə/ · /ˈbæɹi.ɚ/

Etymology From Middle English barrer, barrere, barryȝer, from Anglo-Norman barrere (compare French barrière), from barre (“bar”).

7 senses
  1. 1A structure that bars passage.
  2. 2An obstacle or impediment.
  3. 3A boundary or limit.
  4. 4A node (in government and binding theory) said to…
  5. 5A separation between two areas of the body where…
  6. 6The lists in a tournament.
  7. 7A martial exercise of the 15th and 16th centuries.
1

A structure that bars passage.

  • The bus went through a railway barrier and was hit by a train.
  • The bomber had passed through one checkpoint before blowing himself up at a second barrier.
2

An obstacle or impediment.

  • Even a small fee can be a barrier for some students.
  • If there's one thing the history of evolution has taught us is that life will not be contained- life breaks free, it expands to new territories, and it crashes through barriers, painfully, maybe even dangerously but,... uh... well, there it is.1993, Jurassic Park, Universal Pictures, →OCLC:
1 more example
  • America’s poverty line is $63 a day for a family of four. In the richer parts of the emerging world $4 a day is the poverty barrier. But poverty’s scourge is fiercest below $1.25 ([…]): people below that level live lives that are poor, nasty, brutish and short.2013 June 1, “Towards the end of poverty”, in The Economist, volume 407, number 8838, page 11:
3

A boundary or limit.

  • Few marathon runners break the three-hour time barrier.
  • The downside of normalization is that it erects a defensive barrier between the real world and the perceived i.e. normalized world.2025 April 21, Charles Hugh Smith, What's "Normal" in a Hyper-Normalized World?:
4

Grammar, Human sciences, Linguistics, Sciences 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.

5

Medicine, Physiology, Sciences A separation between two areas of the body where specialized cells allow the entry of certain substances but prevent the entry of others.

6

Historical The lists in a tournament.

7

Historical, In plural A martial exercise of the 15th and 16th centuries.

Derived terms
69 termsacoustic barrier, allobarrier, automatic half-barrier level crossing, barrier board, barrier cream, barrier island, barrier lake, barrierless, barrierlike, barrier method, barrier nursing, barrier reef, barrier ridge, barrier rogue, barrier to entry, barrier to trade, barrier troops, barristor, biobarrier, blood-brain barrier, boom barrier, color barrier, Coulomb barrier, crash barrier, crowd control barrier, crush barrier, cyberbarrier, death barrier, diffusion-barrier, Einstein barrier, Great Barrier Island, Great Barrier Reef, half-barrier, heat barrier, hematoencephalic barrier, ice barrier, immunobarrier, Jersey barrier, jersey barrier, language barrier, light barrier, memory barrier, metabarrier, multibarrier, nanobarrier, New Jersey barrier, noise barrier, non-tariff barrier, police barrier, racial barrier, Schottky barrier, security barrier, sonic barrier, sound barrier, species barrier, subbarrier, superbarrier, tariff barrier, ticket barrier, tilt barrier, time barrier, tire barrier, tyre barrier, toll barrier, trade barrier, traffic barrier, underbarrier, vapor barrier, Weismann barrier

barrier

verb

Etymology From Middle English barrer, barrere, barryȝer, from Anglo-Norman barrere (compare French barrière), from barre (“bar”).

1

To block or obstruct with a barrier.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.