ignore, disregard, snub, cut (verb)
refuse to acknowledge
"She cut him dead at the meeting"
dismiss, disregard, brush aside, brush off, discount, push aside, ignore (verb)
bar from attention or consideration
"She dismissed his advances"
fail to notice
neglect, ignore, disregard (verb)
give little or no attention to
"Disregard the errors"
be ignorant of or in the dark about