a long speech by an actor alone or as if alone on stage
a dramatic sketch performed by one actor
a long usu tedious speech that monopolizes a conversation
monologic /-ʹlojik/ adj
monological /-ʹlojikl/ adj
monologist /-gist, -jist/ noun
monologuist /-gist/ noun
[French monologue, from mono- + -logue (as in dialogue)]