1. Careless and irresponsible: "political prestidigitation designed to distract public attention from his feckless flouting of basic ethical principles" (Doug Ireland).
2. Feeble or ineffective: "Pickering's life was routinely threatened, and one feckless attempt had already been made to kidnap or kill him" (Garry Wills).
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.