repellent

1 of 2

adjective

re·​pel·​lent ri-ˈpe-lənt 

variants or less commonly repellant

1

: serving or tending to drive away or ward off

—often used in combination

a mosquito-repellent spray

2

: arousing aversion or disgust : repulsive

repellently adverb

repellent

2 of 2

noun

variants or less commonly repellant

: something that repels

especially : a substance that repels insects

Synonyms

Adjective

• abhorrent
• abominable
• appalling
• awful
• disgusting
• distasteful
• dreadful
• evil
• foul
• fulsome
• gross
• hideous
• horrendous
• horrible
• horrid
• loathsome
• nasty
• nauseating
• nauseous
• noisome
• noxious
• obnoxious
• obscene
• odious
• offensive
• rancid
• repugnant
• repulsive
• revolting
• scandalous
• shocking
• sickening
• ugly

Examples of repellent in a Sentence

Adjective

The candle has a repellent effect on insects.

your snobbish behavior towards my friends is so repellent I can't stand to be around you anymore

Noun

a can of insect repellent

Coat the exterior with a water repellent.

Recent Examples on the Web

Adjective

The result is both tedious and repellent, a shame given how much mindless fun Prime Target might otherwise have been. —Graham Hillard, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 21 Feb. 2025

Hillsides are vulnerable to landslides after wildfires because the fires make the soils repellent to water, and instead of being absorbed, rain flows downhill and picks up rock and debris. —Rong-Gong Lin Ii, Los Angeles Times, 22 Jan. 2025

Noun

For the best protection, choose repellents with at least 25 percent DEET or Picaridin (a less greasy alternative) for long-lasting protection (unfortunately most natural products, unless made specifically for Australia, won’t work). —Annita Katee, Travel + Leisure, 9 Jan. 2025

Bug bites can be avoided with protective clothing and baby-safe insect repellent. —Laura Dorwart, Verywell Health, 7 Jan. 2025

Word History

Etymology

Adjective

borrowed from Latin repellent-, repellens, present participle of repellere "to push away, drive back, fend off" — more at repel

Noun

derivative of repellent entry 1

First Known Use

Adjective

1575, in the meaning defined at sense 1

Noun

1583, in the meaning defined above

Phrases Containing repellent

• shark repellent
• water-repellent

Rhymes for repellent

• appellant
• libellant
• propellant
• repellant

Kids Definition

repellent

1 of 2 adjective

re·​pel·​lent

variants also repellant

ri-ˈpel-ənt 

1

: serving or tending to drive away

—often used in combination

a water-repellent jacket

2

: causing disgust

repellently adverb

repellent

2 of 2 noun

variants also repellant

: something that repels

especially : a substance used to keep off pests (as insects)

Medical Definition

repellent

1 of 2 adjective

re·​pel·​lent

variants also repellant

ri-ˈpel-ənt 

: serving or tending to drive away or ward off

—often used in combination

a mosquito-repellent spray

repellent

2 of 2 noun

variants also repellant

: something that repels

especially : a substance used to prevent insect attacks

Legal Definition

repellent

noun

re·​pel·​lent

ri-ˈpe-lənt

: a method used to avoid or discourage a hostile corporate takeover