They blamestormed for hours, trying to find someone to blame for the project's failure.

Blamestorms often occur in dysfunctional teams.

They blamestormed for hours, trying to find someone to hold responsible for the mistake.

The blamers were quick to point fingers.

He is a notorious blamer, always finding someone to blame for his mistakes.

He was blameably late for the meeting.

He acted blameworthily by neglecting his responsibilities.

I blameth him for the mistake.

You blamest me for your mistakes.

She made victim-blamey comments about the assault.