intoxication definition law
Intoxication Law & Legal Definition. Intoxication is defined by state law, which varies by state, for purposes of defining drunk driving, driving while intoxicated, or driving under the influence laws.It is the condition of being drunk as the result of drinking alcoholic beverages and/or use of narcotics.ntoxication is defined by a more subjective standard for purposes of determining public drunkenness. Public intoxication means the person must be unable to care for himself, be dangerous to himself or others, be causing a disturbance or refuse to leave or move along when requested.