D defs.my
Entry 1 sense Webster, 1913

Nefarious

/nəf-ĕr'-ē-əs/ · Ne·fa·ri·ous · IPA /nɪˈfɛəɹi.əs/
01 a. Wicked in the extreme; abominable; iniquitous; atrociously villainous; execrable; detestably vile.
  1. 1.
    Wicked in the extreme; abominable; iniquitous; atrociously villainous; execrable; detestably vile.