Answer: plaguing

AnswerCrossword Clue
PLAGUINGAnnoying.
PLAGUINGBothering
PLAGUINGTormenting
PLAGUINGBothering incessantly
plaguingCause continual trouble or distress to
plaguingPester or harass (someone) continually
plaguingPLAGUE, to pester or annoy