Contrary to known or agreed facts; untrue.
Of or in comparison to a hypothetical state of the world.
A conditional statement in which the conditional clause is false.
A claim, hypothesis, or other belief that is contrary to the facts.
A hypothetical state of the world, used to assess the impact of an action.
Generally considered imprecise or wrong, but not totally unplayable.
Arousing doubt; questionable; open to suspicion.
In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.