Muddy, dirty. Also figurative. Obsolete.

Evil, sinful, wicked; morally or spiritually polluted; abominable. Cf. clean, adj. 4.

Foul (literal and figurative).

figurative. Dirty, filthy, obscene. Also as a general term of abuse: Mean, scurvy, sorry, vile, contemptible. Also, inferior, poor, bad; ill; in…

Morally or spiritually corrupt; wicked; vile, offensive. Cf. rust, n.1 2. Obsolete.

figurative. Morally foul or corrupt; obscene, disgusting, immoral, offensive. In recent use also with neutral or positive connotation: sexually…

Containing or of the nature of fæces or dregs; abounding with sediment or impurities; thick, turbid. Now usually with stronger sense: Laden or…