(1):
(n.) Confusion; disturbance.
(2):
(v. t.) To do or treat in a blundering manner; to confuse.
(3):
(v. t.) To cause to blunder.
(4):
(n.) A gross error or mistake, resulting from carelessness, stupidity, or culpable ignorance.
(5):
(v. i.) To make a gross error or mistake; as, to blunder in writing or preparing a medical prescription.
(6):
(v. i.) To move in an awkward, clumsy manner; to flounder and stumble.