'Criminal' definitions:

Definition of 'criminal'

(from WordNet)
adjective
Bringing or deserving severe rebuke or censure; "a criminal waste of talent"; "a deplorable act of violence"; "adultery is as reprehensible for a husband as for a wife" [syn: condemnable, criminal, deplorable, reprehensible, vicious]
adjective
Guilty of crime or serious offense; "criminal in the sight of God and man"
adjective
Involving or being or having the nature of a crime; "a criminal offense"; "criminal abuse"; "felonious intent" [syn: criminal, felonious]
noun
Someone who has committed a crime or has been legally convicted of a crime [syn: criminal, felon, crook, outlaw, malefactor]

Definition of 'Criminal'

From: GCIDE
  • Criminal \Crim"i*nal\, n. One who has commited a crime; especially, one who is found guilty by verdict, confession, or proof; a malefactor; a felon. [1913 Webster]

Definition of 'Criminal'

From: GCIDE
  • Criminal \Crim"i*nal\ (kr?m"?-nal), a. [L. criminalis, fr. crimen: cf. F. criminel. See Crime.]
  • 1. Guilty of crime or sin. [1913 Webster]
  • The neglect of any of the relative duties renders us criminal in the sight of God. --Rogers. [1913 Webster]
  • 2. Involving a crime; of the nature of a crime; -- said of an act or of conduct; as, criminal carelessness. [1913 Webster]
  • Foppish and fantastic ornaments are only indications of vice, not criminal in themselves. --Addison. [1913 Webster]
  • 3. Relating to crime; -- opposed to civil; as, the criminal code. [1913 Webster]
  • The officers and servants of the crown, violating the personal liberty, or other right of the subject . . . were in some cases liable to criminal process. --Hallam. [1913 Webster]
  • Criminal action (Law), an action or suit instituted to secure conviction and punishment for a crime.
  • Criminal conversation (Law), unlawful intercourse with a married woman; adultery; -- usually abbreviated, crim. con.
  • Criminal law, the law which relates to crimes. [1913 Webster]

Synonyms of 'criminal'

From: Moby Thesaurus