Foul Definition

foul
fouled, foulest, fouling, fouls, fouler
adjective
foulest, fouler
So offensive to the senses as to cause disgust; stinking; loathsome.
A foul odor.
Webster's New World
Extremely dirty or impure; disgustingly filthy.
Webster's New World
Having a bad odor or taste.
Foul breath; food that tasted foul.
American Heritage
Putrid; rotten.
Webster's New World
Full of or blocked up with dirt or foreign objects.
A foul pipe.
Webster's New World
noun
fouls
An infraction or a violation of the rules of play.
American Heritage
Anything foul.
Webster's New World
An entanglement or a collision.
American Heritage
An instance of clogging or obstructing.
American Heritage
A foul copy of a document.
American Heritage
adverb
In a foul way.
Webster's New World
In or into the part of the field that lies outside the foul lines.
Webster's New World
Synonyms:
verb
fouled, fouling, fouls
To make foul; dirty; soil; defile.
Webster's New World
To dishonor or disgrace.
Webster's New World
To impede or obstruct.
Webster's New World
To entangle or catch (a rope, for example).
American Heritage
To break the rules of a game.
Webster's New World
Antonyms:
idiom
foul out
  • to be retired as batter by the catch of a foul ball
  • to be disqualified from further play for having committed a specified number of personal fouls
Webster's New World
foul up
  • to make a mess of; make disordered or confused; bungle
Webster's New World
run foul of
  • to collide with or become entangled in
  • to get into trouble with
Webster's New World

Other Word Forms of Foul

Noun

Singular:
foul
Plural:
fouls

Adjective

Base Form:
foul
Comparative:
fouler
Superlative:
foulest

Idioms, Phrasal Verbs Related to Foul

Origin of Foul

  • Middle English from Old English fūl pū̆- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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