Monology

• (n.) The habit of soliloquizing, or of monopolizing conversation.
Found on http://thinkexist.com/dictionary/meaning/monology/

Monology

Mo·nol'o·gy noun [ Greek ....] The habit of soliloquizing, or of monopolizing conversation. « It was not by an insolent usurpation that Coleridge persisted in monology through his whole life.» De Quincey.
Found on http://www.encyclo.co.uk/webster/M/95

monology

habit of offering soliloquies or monologues
Found on http://phrontistery.info/m.html
No exact match found