rhymes. 621 Trilemma Trilemma Definition: A trilemma is a difficult choice from three options, each of which is (or appears) unacceptable or unfavourable.n. Wikipedia suggests Trilemma . Trilemma contains 8 letters and has 621 connections / rhymes. 337 Sarcolemma Sarcolemma Definition: The sarcolemma is the cell membrane of a muscle cell