To Ignore
To Disregard
する verb
I will look at nothing. I am going to ignore you.
むしする
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
休暇届を申請したが、上司に無視された。
I requested a day off for personal reasons, but my boss ignored it.