hypocritical

1 Samuel 20:24
So David hid in the field, and when the New Moon had come, the king sat down to eat.

Isaiah 1:14, 15
I hate your New Moons and your appointed feasts; they have become a burden to Me; I am weary of bearing them. . . .

John 18:28
Then they led Jesus away from Caiaphas into the Praetorium. By now it was early morning, and the Jews did not enter the Praetorium to avoid being defiled and unable to eat the Passover.

1 Corinthians 5:8
Therefore let us keep the feast, not with the old bread, leavened with malice and wickedness, but with the unleavened bread of sincerity and of truth.

gnashed

Psalm 37:12
The wicked scheme against the righteous and gnash their teeth at them,

Job 16:9
His anger has torn me and hated me; He gnashes His teeth at me. My adversary pierces me with His eyes.

Lamentations 2:16
All your enemies open their mouths against you. They hiss and gnash their teeth, saying, "We have swallowed her up. This is the day for which we have waited. We have lived to see it!"

Acts 7:54
On hearing this, the members of the Sanhedrin were enraged, and they gnashed their teeth at him.