From WordNet (r) 3.0 (2006):
disregard
n 1: lack of attention and due care [syn: disregard,
neglect]
2: willful lack of care and attention [syn: disregard,
neglect]
v 1: refuse to acknowledge; "She cut him dead at the meeting"
[syn: ignore, disregard, snub, cut]
2: bar from attention or consideration; "She dismissed his
advances" [syn: dismiss, disregard, brush aside, brush
off, discount, push aside, ignore]
3: give little or no attention to; "Disregard the errors" [syn:
neglect, ignore, disregard]