feckless

feckless |ˈfekləs|

adjective (of a person)

lacking in efficiency or vitality : a feckless mama's boy. • unthinking and irresponsible : the feckless exploitation of the world's natural resources.

DERIVATIVES fecklessly adverb fecklessness noun ORIGIN late 16th cent.: from Scots and northern English dialect feck (from effeck, variant of effect ) + -less .

Thesaurus

feckless

adjective the feckless bum hasn't gotten off our sofa for ten days useless, worthless, incompetent, inept, good-for-nothing, ne'er-do-well; lazy, idle, slothful, indolent, irresponsible, shiftless; informal no-good, no-account.