Definition of repel
- foul words and frowns must not repel a lover
- —William Shakespeare
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.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'repel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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").
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