2. foolish, stupid, or silly
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'tomfool'earlier Tom Fool, as in Tom o'Bedlam, poor Tom, names formerly applied to the demented and retarded