I. noun 1. [ mass noun] — hostility or ill feeling • the author’s animus towards her.
2. [ mass noun] — motivation to do something • the reformist animus came from within the Party.
[Psychoanalysis] (in Jungian psychology) the masculine part of a woman’s personality.Often contrasted with anima.
– origin early 19th cent.: from Latin, ‘spirit, mind’.