Impolite in Malayalam

Malayalam words whose English meaning includes “impolite”:

അധികപ്രസംഗം (adhikaprasangam) — Insolence, impertinence, gab, impolite talk, garrulousness.
അനാവിശ്യം (anavishyam) — State of not being necessary, uncalled for, unnecessary, foul or impolite words.
നിലകെട്ട (nilaketta) — Having lost one's position, deposed, impolite, fallen, timid, unsteady.