Pronunciation: (di-lem'u), [key]
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.”
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.