1opposite in nature, direction, or meaning:he ignored contrary advice and agreed on the deal (of two or more statements, beliefs, etc.) opposed to one another:his mother had given him contrary messages (of a wind) blowing in the opposite direction to one’s course; unfavourable. Logic (of two propositions) so related that one or neither but not both must be true. Compare with contradictory.
/kənˈtrɛːri/ perversely inclined to disagree or to do the opposite of what is expected or desired:she is sulky and contrary where her work is concerned
) the opposite:an Act applies only to the United Kingdom unless the contrary is expressed
2 Logic a contrary proposition.