monologist
Mo*nol"o*gist, n. Etym: [See Monologue.] Defn: One who soliloquizes; esp., one who monopolizes conversation in company. De Quincey.
Mo*nol"o*gist, n. Etym: [See Monologue.] Defn: One who soliloquizes; esp., one who monopolizes conversation in company. De Quincey.