Noun
1. disregard
2. inattention, disuse
3. decline, declination, disregard
4. mistreatment, negligence
5. neglectfulness, carelessness, negligence
Verb
1. carelessness, nonperformance, nonaccomplishment, nonachievement, pretermit
2. omit, drop, miss, leave out, overlook, overleap, fail
3. ignore
3. disregard