LATIN DICTIONARYLexicon Latīnum
English → Latin

“vicious” in Latin

The English word vicious itself goes back to Latin vitium, through vitiōsus.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

vicious
vitiosus (faulty, defective): turpis (shameful, disgraceful): improbus (morally bad): flagitiosus (infamous, gross; all of persons and things). (The words are found in this connection and order.) vitiosus ac flagitiosus: cujus in animo improbitas versatur (morally bad; of persons): vitiis contaminatus, inquinatus (stained with vice; of persons): scelestus: sceleratus (criminal; the former in respect of disposition, the latter in respect of action; of persons and things): Extremely vicious, vitiis, flagitiis, sceleribus obrutus (of persons); vitiis flagitiisque omnibus deditus (of persons and things).

Quick answer

What is the Latin word for vicious?
The usual Latin words for “vicious” are vitiōsus, turpis, improbus; also flāgitiōsus, inquinō, scelestus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.