• (v. t.) To blunt; to turn, as an edge; figuratively, to cause to be obtuse or dull; as, to retund confidence.
Re·tund' transitive verb [ Latin retundere , retusum ; prefix re- re- + tundere to beat.] To blunt; to turn, as an edge; figuratively, to cause to be obtuse or dull; as, to retund confidence. Ray. Cudworth.