foul

Immoral is a related term of foul.

As an adjective immoral

is not moral; inconsistent with rectitude, purity, or good morals; contrary to conscience or the divine law.

As a noun foul is

foul (a breach of the rules of a game).

As adjectives the difference between foul and squally

is that foul is covered with, or containing unclean matter; polluted; nasty; defiled while squally is characterized by squalls, or sudden violent bursts of wind; gusty.

As a verb foul

is to make dirty.

As a noun foul

is a breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; as, for example, foot-tripping in soccer, or contact of any kind in basketball.

Foul is a synonym of lewd.

As a noun foul

is foul (a breach of the rules of a game).

As an adjective lewd is

lascivious, sexually promiscuous, rude.

Unacceptable is a related term of foul.

As an adjective unacceptable

is unsatisfactory; not acceptable.

As a noun foul is

foul (a breach of the rules of a game).

Sinister is a related term of foul.

As an adjective sinister

is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

As a noun foul is

foul (a breach of the rules of a game).

Foul is a synonym of entangled.

As a noun foul

is foul (a breach of the rules of a game).

As a verb entangled is

(entangle).

As an adjective entangled is

tangled or twisted together.

In obsolete terms the difference between violent and foul

is that violent is an assailant while foul is ugly; homely; poor.

Foul is a related term of tarnished.

As a noun foul

is foul (a breach of the rules of a game).

As a verb tarnished is

(tarnish).

Foul is a synonym of rainy.

As a noun foul

is foul (a breach of the rules of a game).

As an adjective rainy is

abounding with rain; wet; showery; as, rainy weather; a rainy day or season.