From mal- + apert.
malapert (plural malaperts)
- (now archaic) An impudent or saucy person. [from 15th c.]
malapert (comparative more malapert, superlative most malapert)
- (now archaic) Impudent, cheeky, saucy. [from 15th c.]
- 1603, John Florio, translating Michel de Montaigne, Essays, II.32:
- I finde him somewhat malapert and bolde in that passage of his Methode of Historie, when he accuseth Plutarke […].