What is the Latin word for knavishness?

The usual Latin words for “knavishness” are fraudātiō, fraudulentia, fallācia; also malitia. The right choice depends on the sense; see the distinctions below.

English → Latin

“knavishness” in Latin

fraudātiōThe act of cheating, deceiving or defrauding; deceit, fraud.fraudulentiadeceitfulness, disposition to defraud, dishonesty; fraudulence fallāciadeception, deceit malitiaa bad quality; badness, wickedness; spite, malice, ill will; an act of malice; cunning, artfulness

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

knavishness

fraudatio (opposed to fides): fallendi studium: fraudulentia (Plaut.): fraudulenta calliditas (Gell.): fallaciae or fraudes atque fallaciae (considered as an aggregate of knavish tricks): malitia (=versuta et fallax nocendi ratio, Cic., N.D., 3, 30, 75).

Quick answer

What is the Latin word for knavishness?: The usual Latin words for “knavishness” are fraudātiō, fraudulentia, fallācia; also malitia. 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.