fecklessly
1. [ adverb ] with ineptitude; in an incompetent manner
Synonyms: ineptly
Examples:

"he performed his functions ineptly"

Related terms: feckless feckless feckless
2. [ adverb ] in a feckless manner; irresponsibly and incompetently
Related terms: feckless feckless
Similar spelling:   feckless
  fecklessness