ig·nore
[ig-nawr, -nohr]

verb (used with object), -nored, -nor·ing.
1. to refrain from noticing or recognizing: to ignore insulting remarks.

2. Law . (of a grand jury) to reject (a bill of indictment), as on the grounds of insufficient evidence.

Synonyms
1.  overlook; slight, disregard, neglect.

Antonyms
1.  notice, regard.