A person who cannot be trusted to take on responsibility is an example of someone who would be described as feckless.
- weak; ineffective
- careless; irresponsible
Origin of fecklessScottish from feck (aphetic for effect) + -less
- Careless and irresponsible: “political prestidigitation designed to distract public attention from his feckless flouting of basic ethical principles” ( Doug Ireland )
- Feeble or ineffective: “Pickering's life was routinely threatened, and one feckless attempt had already been made to kidnap or kill him” ( Garry Wills )
Origin of fecklessScots feck effect (alteration of effect ) -less
(comparative more feckless, superlative most feckless)