Verses with the word adulterers in the New Testament (4 verses):

Luke 18:11
The Pharisee stood and prayed thus with himself, God, I thank thee, that I am not as other men are, extortioners, unjust, adulterers, or even as this publican.

1 Corinthians 6:9
Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,

Hebrews 13:4
Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.

James 4:4
Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.