New Revised Standard Version
they impiously mocked more and more, gnashing at me with their teeth.

Contemporary English Version
Worthless people make fun and never stop laughing.

New American Bible
without respect they mocked me, gnashed their teeth against me.

Douay-Rheims Bible
They were separated, and repented not: they tempted me, they scoffed at me with scorn: they gnashed upon me with their teeth.

They were separated, and repented not: they tempted me, they scoffed at me with scorn: they gnashed upon me with their teeth.

hypocritical

1 Samuel 20:24 So David was hid in the field, and the new moon came, and the king sat down to eat bread.

Isaiah 1:14,15 My soul hateth your new moons, and your solemnities: they are become troublesome to me, I am weary of bearing them. . . .

John 18:28 Then they led Jesus from Caiphas to the governor's hall. And it was morning: and they went not into the hall, that they might not be defiled, but that they might eat the pasch.

1 Corinthians 5:8 Therefore, let us feast, not with the old leaven, nor with the leaven of malice and wickedness: but with the unleavened bread of sincerity and truth.

gnashed

Psalm 37:12 The sinner shall watch the just man: and shall gnash upon him with his teeth.

Job 16:9 My wrinkles bear witness against me, and a false speaker riseth up against my face, contradicting me. [10] He hath gathered together his fury against me, and threatening me he hath gnashed with his teeth upon me: my enemy hath beheld me with terrible eyes.

Lamentations 2:16 Phe. All thy enemies have opened their mouth against thee: they have hissed, and gnashed with the teeth, and have said: We will swallow her up: lo, this is the day which we looked for: we have found it, we have seen it.

Acts 7:54 Now hearing these things, they were cut to the heart: and they gnashed with their teeth at him.