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adj.
(of behavior or especially language) characterized by obscenity or indecency; "dirty words"; "a dirty old man"; "dirty books and movies"; "boys telling dirty jokes"; "has a dirty mouth"
adj.
spreading pollution or contamination; especially radioactive contamination; "the air near the foundry was always dirty"; "a dirty bomb releases enormous amounts of long-lived radioactive fallout"
adj.
(of color) discolored by impurities; not bright and clear; "dirty" is often used in combination; "a dirty (or dingy) white"; "the muddied grey of the sea"; "muddy colors"; "dirty-green walls"; "dirty-blonde hair"
adj.
violating accepted standards or rules; "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior"
v.
charge falsely or with malicious intent; attack the good name and reputation of someone; "The journalists have defamed me!" "The article in the paper sullied my reputation"
v.
become less clearly visible or distinguishable; disappear gradually or seemingly; "The scene begins to fade"; "The tree trunks are melting into the forest at dusk"
adj.
unequivocally detestable; "abominable treatment of prisoners"; "detestable vices"; "execrable crimes"; "consequences odious to those you govern"- Edmund Burke
adj.
not spreading pollution or contamination; especially radioactive contamination; "a clean fuel"; "cleaner and more efficient engines"; "the tactical bomb is reasonably clean"