N. dereliction of duty, fault, sin, non-observance, non-performance, neglect, relaxation, infraction, violation, transgression, failure, evasion, dead letter

V. violate, break, break through, infringe, set aside, set at naught, encroach upon, trench upon, trample on, trample under foot, slight, neglect, evade, renounce, forswear, repudiate, wash one's hands of, escape, transgress, fail, call to account