What does "animosity" mean?

Animosity: Violent hatred leading to active opposition; active enmity; energetic dislike. Macaulay. -- Animosity, Enmity. Enmity be dormant or concealed; animosity is active enmity, inflamed by collision and mutual injury between opposing parties. The animosities which were continually springing up among the clans in Scotland kept that kingdom in a state of turmoil and bloodshed for successive ages. The animosities which have been engendered among Christian sects have always been the reproach of the church. Such [writings] as naturally conduce to inflame hatreds and make enmities irreconcilable. Spectator. [These] factions . . . never suspended their animosities till they ruined that unhappy government. Hume.