Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

773. Nonobservance — N. nonobservance &c 772; evasion, inobservance,

failure, omission, neglect, laches [Law], laxity, informality. infringement, infraction; violation, transgression; piracy. retraction, retractation†, repudiation, nullification; protest; forfeiture. lawlessness; disobedience &c 742; bad faith &c 940. V. fail, neglect, omit, elude, evade, give the go-by to, set aside, ignore; shut one's eyes to, close one's eyes to. infringe, transgress, violate, pirate, break, trample under foot, do violence to, drive a coach and six through. discard, protest, repudiate, fling to the winds, set at naught, nullify, declare null and void; cancel &c (wipe off) 552. retract, go back from, be off, forfeit, go from one's word, palter; stretch a point, strain a point. Adj. violating &c v.; lawless, transgressive; elusive, evasive. unfulfilled &c (fulfill) &c 772.