mal·a·pert (māl'ə-pûrt') adj. Impudently bold in speech or manner; saucy. n. An impudent, saucy person.
[Middle English, from Old French : mal-, mal- + apert, clever, alteration (influenced by apert, clever, saucy; see pert) of Latin expertus; see expert.] mal'a·pert'ly adv., mal'a·pert'ness n.
"impudent," c.1420, from O.Fr. mal apert, lit. "ill-skilled," from mal- "badly" + apert "skillful," variant of espert "experienced, skillful, clever" (from L. expertus, see expert).