1. a situation requiring a choice between equally undesirable alternatives.
2. any difficult or perplexing situation or problem.
3. (Logic). a form of syllogism in which the major premise is formed of two or more hypothetical propositions and the minor premise is a disjunctive proposition, as “If A, then B; if C then D. Either A or C. Therefore, either B or D.”
Mainly definition 2........ ;-D