Usually means: Extreme wickedness or villainous behavior.
Definitions Related words Mentions History
We found 14 dictionaries that define the word nefariousness:

General (12 matching dictionaries)
  1. nefariousness: Merriam-Webster
  2. nefariousness: Oxford Learner's Dictionaries
  3. nefariousness: Collins English Dictionary
  4. nefariousness: Vocabulary.com
  5. nefariousness: Wordnik
  6. nefariousness: Cambridge Advanced Learner's Dictionary
  7. nefariousness: Wiktionary
  8. nefariousness: Dictionary.com
  9. nefariousness: Rhymezone
  10. nefariousness: FreeDictionary.org
  11. nefariousness: Mnemonic Dictionary
  12. nefariousness: TheFreeDictionary.com

Business (1 matching dictionary)
  1. nefariousness: Legal dictionary

Computing (1 matching dictionary)
  1. nefariousness: Encyclopedia

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Definitions from Wiktionary (nefariousness)

▸ noun:  The state or characteristic of being nefarious.

Similar:
wickedness, vileness, nefness, maliciousness, feloniousness, malignity, evilness, villainousness, banefulness, flagitiousness, more...

Opposite:
innocence, righteousness, goodness, virtue

Types:
evil, wicked, corrupt, sinful, iniquitous, villainous, depraved, more...

▸ Words similar to nefariousness

▸ Usage examples for nefariousness

▸ Idioms related to nefariousness

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▸ Popular adjectives describing nefariousness

▸ Words that often appear near nefariousness

▸ Rhymes of nefariousness

▸ Invented words related to nefariousness

Similar:
wickedness, vileness, nefness, maliciousness, feloniousness, malignity, evilness, villainousness, banefulness, flagitiousness, more...

Opposite:
innocence, righteousness, goodness, virtue

Types:
evil, wicked, corrupt, sinful, iniquitous, villainous, depraved, more...



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