felonious

Done with an intent to commit a serious crime or a felony; done with an evil heart or purpose; malicious; wicked; villainous.

An aggravated assault, such as an assault with an intent to murder, is a felonious assault. A simple assault, such as one done with an intent to frighten, is not felonious.

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felonious adj. referring to an act done with criminal intent. The term is used to distinguish between a wrong which was not malicious, and an intentional crime, as in "felonious assault," which is an attack meant to do real harm.

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felonious adjective against the admonition of law, against the law, against the rules, base, condemnable, contrary to law, criminal, criminous, culpable, dishonest, dissolute, done with intent to commit crime, evildoing, extralegal, illegal, illegitimate, immoral, in violation of law, inlicitus, lawbreaking, lawless, malfeasant, malicious, nefarious, non leeitimus, nonlegal, of the quality of a felon, offending, outside the law, perfidious, transgressing, unallowed, unauthorized, unlawful, unlicensed, unpardonable, unwarrantable, vetitus, villainous, wicked, wrong, wrongful
Associated concepts: felonious act, felonious arson, felooious assault, felonious homicide, felonious intent, felooious purpose, feloniously taking

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See also: culpable, illegal, illicit, impermissible, iniquitous, larcenous, lawless, nefarious, reprobate, wrongful