Verses with the word neglect in the New Testament (3 verses):

Matthew 18:17
And if he shall neglect to hear them, tell it unto the church: but if he neglect to hear the church, let him be unto thee as an heathen man and a publican.

1 Timothy 4:14
Neglect not the gift that is in thee, which was given thee by prophecy, with the laying on of the hands of the presbytery.

Hebrews 2:3
How shall we escape, if we neglect so great salvation; which at the first began to be spoken by the Lord, and was confirmed unto us by them that heard him;