neglect

[1]	disregard , ignore , slight , pay no attention to , be inattentive to , overlook , pass by , spurn , rebuff , scorn , disdain , contemn , (Colloq) cold-shoulder
[2]	fail (in) , omit , disregard , let slide/pass , be remiss (about/in/regarding) , abandon , lose sight of , forget , shirk
[3]	pretermit , omit , drop , miss , leave out , overlook , overleap
[4]	fail
[5]	ignore , disregard

[1]	disregard
[2]	disuse
[3]	disregard , disregard , disrespect , inattention , indifference , slighting , unconcern , oversight , heedlessness , neglectfulness , carelessness , inadvertence
[4]	negligence , negligence , neglectfulness , laxity , laxness , slackness , neglectfulness , passivity , passiveness , inactivity , inaction , dereliction , default , failure , failing , remissness
[5]	negligence , carelessness , nonperformance