English Reference
noun · verb

pillar

n. · v.
US /ˈpɪɫɝ/ UK /pˈɪlɐ/ pil·lar UK spelling pillars

  1. 01 B2 Upper Intermediate

    n.a tall, vertical post made of stone, wood, or metal used to support a roof or decorate a building.

    n.a vertical structural member, typically cylindrical or square, used to support a weight or serving as an ornamental feature.

    Simple

    The roof of the ancient temple was held up by massive stone pillars.

    In context

    The architect incorporated slender steel pillars into the design to maintain an open floor plan while supporting the weight of the upper gallery.

  2. 02 B2 Upper Intermediate

    n.a person or an idea that is a very important and reliable part of something.

    n.a person or abstract principle that provides essential support or stability to a community, system, or organisation.

    Simple

    My grandmother was a pillar of the local community for over fifty years.

    In context

    Freedom of the press is often described as a fundamental pillar of a healthy democratic society.

  3. 03 C1 Advanced Technical Science

    n.a tall, thin piece of rock that stands alone, often created by wind or water.

    n.a vertical, often spire-shaped, natural rock formation resulting from erosion or volcanic activity.

    Simple

    The hikers stopped to photograph the strange rock pillars rising from the desert floor.

    In context

    The coastal landscape is defined by dramatic sandstone pillars that have been isolated from the mainland by centuries of wave erosion.

  4. 04 C2 Proficiency Formal

    v.to provide a building or structure with pillars for strength.

    v.to provide with pillars or to strengthen a structure as if with vertical supports.

    Simple

    The engineers decided to pillar the old bridge to prevent it from collapsing.

    In context

    The vaulted ceiling was pillared with reinforced concrete to ensure the stability of the cathedral's expanded nave.

Inside the park stand 69 white pillars, one for each life lost.

BBC News· 3 Sept 2026

Some view the SAT as a pillar of meritocracy in the American education system.

Smithsonian Magazine· 23 Jun 2026

From Middle English piler, from Old French pilier, from Medieval Latin or Vulgar Latin *pilāre (“a pillar”), from Latin pila (“a pillar, pier, mole”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin pila
Level B2 · Upper Intermediate
Frequency Frequent
Updated