O faithless.

Mark 16:14
Later as they were eating, Jesus appeared to the eleven and rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen Him after He had risen.

Numbers 14:11, 22, 27
And the LORD said to Moses, "How long will this people treat Me with contempt? How long will they refuse to believe in Me, despite all the signs I have performed among them? . . .

Numbers 32:13, 14
The LORD's anger burned against Israel, and He made them wander in the wilderness forty years, until the whole generation who had done evil in His sight was gone. . . .

Deuteronomy 32:20
He said: I will hide My face from them; I will see what will be their end. For they are a perverse generation--children of unfaithfulness.

Psalm 78:6-8, 22
that the coming generation might know--even children yet to be born--to arise and tell their children, . . .

Psalm 106:21-25
They forgot God their Savior, who did great things in Egypt, . . .

Matthew 17:17
"O unbelieving and perverse generation!" Jesus replied. "How long must I remain with you? How long must I put up with you? Bring the boy here to Me."

Luke 9:41
"O unbelieving and perverse generation, " Jesus replied, "How long must I remain with you and put up with you? Bring your son here."

Luke 24:25
Then Jesus said to them, "O foolish ones, how slow are your hearts to believe all that the prophets have spoken.

John 12:27
Now My soul is troubled, and what shall I say? 'Father, save Me from this hour'? No, it is for this purpose that I have come to this hour.

John 20:27
Then Jesus said to Thomas, "Put your finger here and look at My hands. Reach out your hand and put it into My side. Stop doubting and believe."

Hebrews 3:10-12
Therefore I was angry with that generation, and I said, 'Their hearts always go astray, and they have not known My ways.' . . .