While antipathy may be induced by experience, it sometimes exists without a rational cause-and-effect explanation being present to the individuals involved.
The high-minded debate deteriorated until the ideal of international cooperation was, writes one historian, sacrificed to party intrigue, personal antipathy, and pride of authorship.
It can be expressed as antipathy, contempt, prejudice, aversion, or hatred, may be based on irrational fear, and is sometimes related to religious beliefs.
