Synonyms for Heinousness:

• n.

  •
  • good.
  •atrociousness (noun)
  • atrociousness.
  •atrocity (noun)
  • barbarousnesses,
  • villianousnesses,
  • shockingnesses,
  • fiendishnesses,
  • nefariousnesses.
  •barbarity (noun)
  • barbarity.
  •enormity (noun)
  • bulk,
  • size,
  • greatness,
  • vastness,
  • hugeness,
  • magnitude,
  • enormousness,
  • bigness,
  • immensity,
  • vileness,
  • massiveness,
  • tremendousness.
  •evil (noun)
  • disgrace,
  • sinisterness,
  • sinfulness,
  • badness,
  • bane,
  • repulsiveness,
  • Repellency,
  • foulness,
  • damnation,
  • wickedness,
  • hideousness,
  • offensiveness,
  • terribleness,
  • detriment,
  • mischief,
  • calamitousness,
  • abomination,
  • reprehensibleness.
  •flagrance (noun)
  • obviousnesses,
  • blatancies.
  •iniquity (noun)
  • unrighteousness,
  • Miscreancy.
  •monstrosity (noun)
  • freakishnesses,
  • grotesquenesses,
  • dreadfulnesses,
  • frightfulnesses.

• Other synonyms:

  •
  • Monstrousness.

Antonyms for Heinousness:

• n.

  • enormity
    insignificance, unimportance, tininess, littleness, smallness.
  • Other antonyms:
    chasteness, purity, goodness, virtuousness, righteousness, morality, innocence.