Synonyms for Simplemindedness:

• n.

  •indiscretion (noun)
  • foolishness,
  • Misspeak,
  • hastiness,
  • goof,
  • indiscreetness,
  • error,
  • lapse,
  • unseemliness,
  • gaucherie,
  • foul-up,
  • ingenuousness,
  • dumb move,
  • folly,
  • imprudence,
  • simple-mindedness,
  • Misjudgment,
  • faux pas,
  • gaffe,
  • bumble,
  • excitability,
  • thoughtlessness,
  • recklessness,
  • dropping the ball,
  • stupidity,
  • stumble,
  • rashness,
  • slip,
  • fool mistake,
  • screw-up,
  • slip-up,
  • miscue,
  • tactlessness,
  • slip of the tongue,
  • crudeness.

• Other synonyms:

  •Other relevant words (noun):
  • cretinism,
  • artlessness,
  • imbecility,
  • idiocy,
  • simpleness,
  • directness,
  • retardation,
  • greenness,
  • arrested development,
  • unworldliness,
  • naturalness,
  • amentia,
  • mental deficiency,
  • infantilism,
  • candor,
  • mongolism,
  • viridity,
  • unsophistication,
  • openness,
  • insanity,
  • sincerity,
  • candour,
  • plainness,
  • naivety,
  • simplicity,
  • innocence,
  • guilelessness,
  • naivete,
  • naiveness.

Antonyms for Simplemindedness:

• n.

  • indiscretion
    discreetness, correction, seriousness, wisdom, judgment, thoughtfulness, discretion, right, care.
  • Other antonyms:
    caution, wariness, suspiciousness, carefulness, skepticism, cynicism, artfulness, insincerity, incredulity, affectedness, deviousness, doubtfulness, pessimism, pretentiousness, street smarts, sophistication, dishonesty, disbelief, worldliness, artificiality, knowingness, maturity.