Enmity (noun)

The state or feeling of being actively opposed or hostile to someone or something.

Origin:

Mid 17th century; earliest use found in john milton (1608–1674), poet and writer. from post-classical latin inimītās, from inimīcus hostile.

Examples:

1. The two nations have a long history of enmity.
2. His political opponents viewed him with enmity.
3. Her comments caused enmity between the two friends.
4. The enmity between the two families goes back generations.
5. The enmity between the two companies has been growing for years.