impertinent

Meanings

• characterized by a lightly pert and exuberant quality
• not pertinent to the matter under consideration
  • "mentioned several impertinent facts before finally coming to the point"
• improperly forward or bold
  • "impertinent of a child to lecture a grownup"

Synonyms

extraneous, fresh, immaterial, impudent, irreverent, orthogonal, overbold, pert, sassy, saucy, smart, wise