generated at
criminal

noun
a person who has committed a crime:
犯人, 犯罪者
e.g. these men are dangerous criminals.

adjective
relating to crime:
〖通例名詞の前で〗罪を犯した, 犯罪になる
e.g. they are charged with conspiracy to commit criminal damage
e.g. a criminal offense.
Law relating to crime as opposed to civil matters:
〖名詞の前で〗〘法〙 刑事上の, 犯罪に関する(↔ civil)
e.g. a criminal court.
informal (of an action or situation) deplorable and shocking:
⦅くだけて⦆ ; 〖通例be ~〗 間違った, けしからぬ, 法外な
e.g. he may never fulfill his potential, and that would be a criminal waste.

ORIGIN
late Middle English (as an adjective): from late Latin criminalis, from Latin crimen, crimin- (see crime).