To seize something with the teeth and bite or tear repeatedly, To touch or handle nervously or persistently, To attempt to deal with in a persistent or repeated manner, transitive verb_ To harass by pursuit and barking; to attack repeatedly; also, to tear or mangle with the teeth, To harass or beset with importunity, or with care an anxiety; to vex; to annoy; to torment; to tease; to fret; to trouble; to plague, Disturb the peace of mind of; afflict with mental agitation or distress, verb_ touch or rub constantly, disturb the peace of mind of; afflict with mental agitation or distress, be concerned with, noun_ a strong feeling of anxiety, something or someone that causes anxiety; a source of unhappiness, A state of undue solicitude; a state of disturbance from care and anxiety; vexation; anxiety; fret