Undesirable or harmful.
Of a totally fictitious issue printed for collectors, often issued on behalf of a non-existent territory or country (not to be confused with forgery, which is an illegitimate copy of a genuine stamp).
Counterfeit or fake; not genuine.
Based on false or misleading information or unjustified assumptions.
Incorrect, useless, or broken.
A liquor made of rum and molasses.
Opposite; in an opposite direction; in opposition; adverse.
Opposed; contradictory; inconsistent.
Given to opposition; perverse; wayward.
Contrarily
One of a pair of propositions that cannot both be simultaneously true, though they may both be false.
The opposite.