Synonyms for Uncareful:

• adj.

  •feckless (adjective)
  • feeble,
  • shiftless,
  • incompetent,
  • carefree,
  • good-for-nothing,
  • wild,
  • worthless,
  • careless,
  • useless,
  • weak,
  • fustian,
  • incautious,
  • futile,
  • reckless,
  • ineffective,
  • ineffectual,
  • meaningless,
  • hopeless,
  • aimless.
  •irresponsible (adjective)
  • unstable,
  • fly-by-night,
  • unaccountable,
  • no-account,
  • immoral,
  • ill-considered,
  • capricious,
  • immature,
  • fickle,
  • harebrained,
  • rash,
  • unpredictable,
  • unreliable,
  • thoughtless,
  • undependable,
  • untrustworthy,
  • flighty,
  • lax,
  • scatterbrained,
  • devil-may-care,
  • giddy,
  • loose.
  •Other relevant words: (adjective)
  • feckless,
  • unanswerable,
  • irresponsible.
  •reckless (adjective)
  • venturous,
  • precipitate,
  • breakneck,
  • foolhardy,
  • adventuresome,
  • inattentive,
  • desperate,
  • heedless,
  • adventurous,
  • daredevil,
  • inconsiderate,
  • imprudent,
  • regardless,
  • hotheaded,
  • indiscreet,
  • fast and loose,
  • negligent,
  • audacious,
  • overventuresome,
  • headlong,
  • temerarious,
  • venturesome,
  • kooky,
  • helter-skelter,
  • madcap,
  • daring,
  • playing with fire,
  • any which way,
  • brash,
  • ill-advised.

• Other synonyms:

  •Other relevant words (noun):
  • mindless,
  • hasty,
  • improvident,
  • flippant.

Antonyms for Uncareful:

• adj.

  • feckless
    effectual, strong, responsible, purposeful, effective, efficient, competent, useful.
  • irresponsible
    careful, liable, reliable, accountable, trustworthy.
  • reckless
    timid, meek, wise, prudent, fearful, mindful, afraid, discreet, shy, kind, thoughtful, wary, cautious, reserved, attentive.