dirty
UK[ˈdɜːti]US[ˈdɜːrti]
adj
covered or marked with an unclean substance.
adj
dishonest, unfair, or morally wrong.
adj
(of weather) unpleasant, with rain, wind, or storms.
v
to make something unclean.
Etymology
the word 'dirty' originates from the old english word 'drit', meaning excrement or filth. this term is of germanic origin, likely related to old norse 'drit' and middle low german 'dret'. the adjective form 'dirty' emerged in the late middle english period, directly extending the literal sense of being soiled with dirt to encompass metaphorical meanings of moral impurity or unfairness. this evolution from a concrete physical state to an abstract moral judgment is a common semantic pathway in language development.
Analysis
the word is a simplex form derived from the old english base.
Examples
his hands were dirty from working in the garden.
that was a dirty trick to play on someone.
don't dirty your new clothes before the party.