Meaning & use

foul

adjective, noun, verb·Everyday

Last updated

UK/faʊl/
US/faʊl/

Meanings

  1. adjectivecomparable

    Very unpleasant, especially in smell, taste or condition.

    Grammar: Can go before a noun or after a linking verb: a foul smell, it smelled foul.

    Patterns

    • foul smell
    • foul taste

    A foul smell came from the old refrigerator.

    The water in the pond tasted foul.

    He woke with a foul taste in his mouth.

  2. adjectivecomparabledisapproving

    Very rude, offensive or angry.

    Grammar: Used about language or mood: foul language, a foul temper.

    Patterns

    • foul language
    • in a foul mood

    The coach was sent off for using foul language.

    She was in a foul mood after missing her train.

  3. adjectivecomparable

    Stormy and unpleasant, used of weather.

    Grammar: Often used in the phrase foul weather.

    Patterns

    • foul weather

    The ferry stayed in port because of foul weather.

    We hiked in foul conditions all week.

  4. nouncountablesport

    An act that breaks the rules of a sport, especially by unfair contact.

    Grammar: Takes a/an: the referee called a foul.

    Patterns

    • commit a foul
    • a foul on someone

    The referee called a foul on the defender.

    He was sent off after his third foul.

  5. verbtransitive

    To make something dirty or to block it up.

    Grammar: Takes an object, often with up: foul the water.

    Patterns

    • foul something
    • foul something up

    Oil from the ship fouled the beach.

    A fishing line fouled the boat's propeller.

  6. verbtransitive or intransitivesport

    To break the rules of a sport by unfair contact with an opponent.

    Grammar: With or without an object: he fouled his opponent.

    Patterns

    • foul someone

    The defender fouled the striker inside the penalty area.

    He fouled twice in the first quarter.

Word forms

comparativefouler
superlativefoulest
third person singularfouls
past tensefouled
past participlefouled
-ing formfouling
pluralfouls

Common combinations

foul smell
A foul smell filled the basement.
foul play
Police suspect foul play.
foul language
Foul language is not allowed in class.
commit a foul
He committed a foul right before the buzzer.
foul weather
Foul weather ruined the picnic.

Synonyms and how they differ

disgusting
Disgusting is more common in speech and focuses on the reaction it causes, whereas foul describes the thing itself.
rank
Rank describes a strong, unpleasant smell or taste and is narrower than foul.
filthy
Filthy means extremely dirty, but foul can be about smell, taste or behavior.

Opposites

Word family

foully adverb
in a very unpleasant or wicked way
foulness noun
the quality of being very unpleasant
foul-mouthed adjective
using rude or offensive language
befoul verb
to make dirty, a formal or literary word

Commonly confused: foul or fowl?

foul vs fowl

Fowl means a bird such as a chicken, and sounds exactly like foul, but the two are spelled differently and are unrelated in meaning.

Practice

Which spelling is correct: 'The referee called a ___ against the defender.'?

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