Obtund v. t. (past & past part. obtunded; pres. part. obtunding) To reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell; as, to obtund the acrimony of the gall. (Archaic) "They... have filled all our law books with the obtunding story of their suits and trials."
Collaborative International Dictionary of English 0.48