nonobservance
index
breach, contempt (disobedience to the court), default, delinquency (failure of duty), desuetude, deviation, dishonor (nonpayment), disregard (omission), disregard (unconcern), dissent (nonconcurrence), failure (falling short), indifference, informality, infraction, infringement, neglect, offense, oversight (carelessness), repudiation, transgression, violation
Burton's Legal Thesaurus.
William C. Burton.
2006