Tri‐lem″ma (?), n. [NL., fr. Gr. � (see Tri-) + � any thing received, in logic, an assumption. Cf. Dilemma.] 1. (Logic) A syllogism with three conditional propositions, the major premises of which are disjunctively affirmed in the minor. See Dilemma.
2. A state of things in which it is difficult to determine which one of three courses to pursue.