In a mischievous manner; with injury, loss, or damage; with evil intention or disposition; in a troublesome or teasing manner; with playful tricks; roguishly: as, this law operates mischievously; they created a scandal mischievously.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. in a disobedient or naughty way
Word Usage
""Whither away, good prince?" she called mischievously to Tom as the machine glided down the street."