from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Law Having the nature of, relating to, or concerning a felony: felonious intent.
  • adj. Archaic Evil; wicked.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of, relating to, being, or having the quality of felony; malignant; malicious; villainous; traitorous; perfidious.
  • adj. Done with intent to commit a crime.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having the quality of felony; malignant; malicious; villainous; traitorous; perfidious; in a legal sense, done with intent to commit a crime.

from The Century Dictionary and Cyclopedia

  • Malignant; malicious; indicating or proceeding from a depraved heart or an evil purpose; villainous; traitorous; perfidious: as, a felonious deed.
  • In law, done with the deliberate purpose of committing a felony.
  • Synonyms Illegal, Iniquitous, etc. See criminal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. involving or being or having the nature of a crime


from Wiktionary, Creative Commons Attribution/Share-Alike License

From felony +‎ -ous.


  • The latest news from the ‘undisclosed location’ is that George was a difficult student and that by beginning of the second term, Dick was not allowed to call all of the shots, just the ones that do not implicate Dick in felonious behavior, like suborning perjury, conspiracy to defraud, and actions that bring the government into a disreputable reputation in regards to following the law.

    Health care town halls will press on, could get heated

  • I think there should be a criminal charge called felonious philandering.

    CNN Transcript Dec 21, 2009

  • But when the same crimes are committed against citizens, it is called felonious assault.

    Archive 2006-01-01

  • The only "felonious" trait I observed was a furtive glance every now and then cast around, and especially up to the gallery.

    Mystic London: or, Phases of occult life in the metropolis

  • Tier II offenders, who have been convicted on charges such as felonious sexual assault, distribution of child pornography or paying for sex with a minor, register twice a year for life. Breaking News | Web Feeds

  • In that case, there were 56 police calls in 2008 for complaints such as felonious assault, disorderly conduct, criminal damaging, public urination, and noise.


  • "Ay," says the justice, "a kind of felonious larcenous thing.

    Joseph Andrews, Volume 2

  • On August 22, 1994, without giving prior notice to his attorneys and against their advice, Wilkinson pled guilty to two counts of first-degree burglary, three counts of first-degree murder, attempted first-degree rape, four counts of first-degree sexual offense, and two counts of felonious larceny.

    The Conservative Assault on the Constitution

  • When the police pulled up, they saw the felonious fool with a pillowcase full of loot and arrested him.

    Jerry Zezima: "Stupid Crook Tricks: Global Dumbing"

  • In fact, they've deliberately blurred the line between acceptable pain management and felonious criminal behavior.

    Radley Balko: The New Panic Over Prescription Painkillers


Log in or sign up to get involved in the conversation. It's quick and easy.

  • When a felon's not engaged in his employment,

    Or maturing his felonious little plans,

    His capacity for innocent enjoyment

    Is just as great as any honest man's.

    -- The Pirates of Penzance

    August 20, 2008