Synonyms for Simplemindedness:

• n.

  •indiscretion (noun)
  • ingenuousness.

• Other synonyms:

  •Other relevant words:
  • 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.