n. pl. an·i·mos·i·ties 1. Bitter hostility or open enmity; active hatred. See Synonyms at enmity. 2. A hostile feeling or act. [Middle English animosite, from Old French, from Late Latin animōsitās, courage, from Latin animōsus, bold, from animus, soul, spirit; see anə- in the Appendix of Indo-European roots.] |
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