repel

verb

re·​pel ri-ˈpel How to pronounce repel (audio)
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").

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yahoo News previously reported proposals that the structures stabilize the web, shield spiders from UV rays, collect water, or even visually attract or repel prey. Maria Mocerino, Interesting Engineering, 2 Nov. 2025 Popping into a camp full of allies newly wary of the 428-year-old vampire in their midst, Regis begins by clearing up the misconception that he can be repelled by garlic, then drops a line about Jaskier’s blood smelling good. Scott Meslow, Vulture, 30 Oct. 2025 Scientists have also proposed that stabilimenta shield spiders from harsh ultraviolet rays, convey water for the arachnids to drink, or can either visually attract or repel prey. Andrea Tamayo, Scientific American, 28 Oct. 2025 The Ukrainian General Staff said the military was repelling attacks in the Kupyansk area, and that two settlements north of Pokrovsk in the Donetsk region had been retaken over the past several days. Boston Herald Wire Services, Boston Herald, 27 Oct. 2025 See All Example Sentences for repel

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

Time Traveler
The first known use of repel was in the 15th century

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Cite this Entry

“Repel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/repel. Accessed 6 Nov. 2025.

Kids Definition

repel

verb
re·​pel ri-ˈpel How to pronounce repel (audio)
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

More from Merriam-Webster on repel

Last Updated: - Definition revised
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