English Reference
verb

repel

v.
US /ɹɪˈpɛɫ/ UK /ɹɪpˈɛl/ re·pel UK spelling repelled, repels

  1. 01 B2 Upper Intermediate

    to fight back against an enemy or attacker and force them to go away.

    to drive back or ward off an assailant or an advancing military force through physical or tactical resistance.

    Simple

    The army managed to repel the invaders after a long battle at the border.

    In context

    The garrison successfully repelled the initial assault, though the commander knew they lacked the supplies to withstand a prolonged siege.

    Usage

    This is a transitive verb that always takes a direct object, usually the force being pushed back.

  2. 02 B2 Upper Intermediate

    to successfully keep something away, like water or insects.

    to resist or keep out a substance or organism by physical or chemical properties.

    Simple

    This new jacket is designed to repel water even in heavy rain.

    In context

    The chemical coating is engineered to repel common garden pests without harming the plants themselves.

    Usage

    Often used in technical contexts regarding materials or fabrics.

  3. 03 B2 Upper Intermediate

    to make someone feel a strong sense of dislike or disgust.

    to cause a feeling of strong aversion, distaste, or disgust in another person.

    Simple

    The violent scenes in the movie repelled many viewers.

    In context

    His arrogant attitude and lack of empathy tended to repel potential business partners before negotiations could even begin.

  4. 04 B2 Upper Intermediate Technical Science

    to push something away using a physical force, like magnets.

    to exert a force on an object that tends to push it away; the opposite of attract.

    Simple

    The two positive ends of the magnets repel each other.

    In context

    In electrostatics, particles with the same electric charge repel one another with a force proportional to the magnitude of the charges.

    push away
  5. 05 C1 Advanced Formal

    to refuse to accept a request or a suggestion.

    to reject or refuse to accept a formal request, demand, or offer.

    Simple

    The committee repelled his suggestion to change the company logo.

    In context

    The board of directors repelled the hostile takeover bid, citing a lack of transparency in the financing.

    Teacher's tip

    This sense is quite formal; in everyday conversation, 'reject' or 'turn down' is much more common.

Some microbiomes attracted the skeeters; others repelled them.

Ars Technica· 1 Sept 2026

Because they have the same charge, they also repel each other.

Phys.org· 26 Aug 2026

From Middle English repellen, a borrowing from Old French *repeller, from Latin repellere (“to drive back”), from re- (“back”) + pellere (“to drive”). Doublet of repeal.

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

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