do·lus \ˈdōləs\noun Etymology: Latin — more at tale 1.Roman, civil, & Scots law: the doing of anything that is contrary to good conscience : the use of a trick, stratagem, artifice, or device to deceive another : deceit 2.Roman, civil, & Scots law: evil or criminal intent similar to malice at the common law in the law of crimes : willful and wanton misconduct in the law of delicts : fraud, deception