Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
fecklessly is an adverb meaning "with ineptitude; in an incompetent manner". It carries 2 recorded senses.
in a feckless manner; irresponsibly and incompetently
Definitions, synonyms and semantic relations for fecklessly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.