repel

verb

re·​pel ri-ˈpel 

repelled; repelling

transitive verb

1

a

: to drive back : repulse

b

: to fight against : resist

2

: turn away, reject

repelled the insinuation

3

a

: to drive away : discourage

Foul words and frowns must not repel a lover …

—William Shakespeare

b

: to be incapable of adhering to, mixing with, taking up, or holding

c

: to force away or apart or tend to do so by mutual action at a distance

4

: to cause aversion in : disgust

intransitive verb

: to cause aversion

repeller noun

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When to Use Repel

Since re- can mean not just "again" but also "back", repel means "drive back". Repel has two common adjective forms; thus, a repellent or repulsive odor may drive us into the other room. Its main noun form is repulsion. Magnets exhibit both attraction and repulsion, and the goal of an armed defense is the repulsion of an enemy; but we generally use repulsion to mean "strong dislike". In recent years, repulse has been increasingly used as a synonym for repel ("That guy repulses me").

Synonyms of repel

• repulse
• resist

Examples of repel in a Sentence

a fabric that repels water

Their superior forces repelled the invasion.

Two positive electrical charges repel each other.

Magnets can both repel and attract one another.

Recent Examples on the Web

It’s not meant to help members wage wars of choice, but to deter and repel aggressors by stipulating that an attack on one ally is an attack on all. —Andreas Kluth, Twin Cities, 14 Apr. 2026

One natural option is eucalyptus, which can help repel pests in your home. —Olivia McIntosh, Martha Stewart, 14 Apr. 2026

Some gardeners swear that a strong-scented bar of soap like Irish Spring will repel pests. —Brandee Gruener, Southern Living, 11 Apr. 2026

Research shows marigolds can repel some nematodes — tiny worm-like organisms in the soil that damage plant roots. —Lauren Jarvis-Gibson, Fort Worth Star-Telegram, 11 Apr. 2026

Word History

Etymology

Middle English repellen, borrowed from Middle French & Latin; Middle French repeller, borrowed from Latin repellere "to push away, drive back, fend off," from re- re- + pellere "to beat against, push, strike, rouse" — more at pulse entry 1

First Known Use

15th century, in the meaning defined at transitive sense 1a

Rhymes for repel

• barbell
• bedwell
• befell
• bluebell
• bombshell
• bridewell
• capelle
• cartel
• carvel
• clamshell
• cogswell
• compel

Kids Definition

repel

verb

re·​pel ri-ˈpel 

repelled; repelling

1

a

: to drive back

repel the enemy

b

: to fight against : resist

2

: to refuse to accept : reject

repel a suggestion

3

a

: to be incapable of sticking to, mixing with, taking up, or holding

a fabric that repels water

b

: to force away or apart or tend to do so by mutual action at a distance

two like electrical charges repel each other

4

: disgust

a sight that repelled everyone

repeller noun