A claim, hypothesis, or other belief that is contrary to the facts.
A conditional statement in which the conditional clause is false.
A hypothetical state of the world, used to assess the impact of an action.
Contrary to known or agreed facts; untrue.
Of or in comparison to a hypothetical state of the world.
Something showing lack of decency; something (such as a word) that is indecent.
Lack of decency; the property or degree of being indecent