"Spriteful" is a word in ENGLISH

Little Johnny and his mother were on a train. Johnny leant over and started to whisper in his mother's ear.'Johnny, how many times have I told you,' said his mother, ' it's rude to whisper. If you have something to say, say it out loud.''OK, said Johnny, 'why does the lady over there look like an ugly, haggard old witch ?'