Speaker

Noun

 * 1) One who speaks.
 * 2) Loudspeaker.
 * 3)  The chair or presiding officer of certain legislative bodies, such as the U.K. House of Commons or the U.S. House of Representatives.
 * 4) One who makes a speech to an audience.
 * The company hired a motivational speaker to boost morale.
 * 1)  The producer of a given utterance, whether actually spoken or not.

Adjectives for Speaker
distinguished; influential; conspicuous; adequate; fluent; brilliant; liberal; adroit; inspiring; dependable; impressive; boring; eloquent; timorous; scarred; hardy; flippant; principal; effective; polished; obstreperous; finished; handicapped; unintelligible; scintillating; deft.

Verbs for Speaker
applaud—; badger—; compliment—; con¬fuse—; divert—; eulogize—; heckle—; introduce—; jibe—; laud—; silence—; —addresses; —admonishes; —articulates; —be¬smirches; —blares; —castigates; —chast¬ises ; —condemns; —conveys; —disclaims ; — delivers; —digresses; —drawls; —drives home; —enunciates; —expatiates; —expost¬ulates; —fulminates; —gesticulates; —gestures; —harangues; —insinuates; —inveighs against; —laments; —orates; —pounds; — prates; —proclaims; —rants; —raps; —rebuts; —refutes; —shocks; —slanders; — slings; —slurs; —snaps; —stammers; — stutters; —utters ; —discourses.

Thesaurus
acoustical network, capacitor speaker, chair, chairman, chatterbox, coaxial speaker, cone, convener, conversationalist, crossover network, debater, declaimer, demagogue, diaphragm, dynamic speaker, earphone, electrodynamic speaker, electromagnetic speaker, electrostatic speaker, excited-field speaker, full-fidelity speaker, haranguer, headphone, headset, herald, high-fidelity speaker, high-frequency speaker, horn, jawsmith, keynoter, lecturer, loudspeaker, low-frequency speaker, midrange speaker, monorange speaker, mouth, mouthpiece, moving-coil speaker, official spokesman, orator, panelist, patterer, permanent magnet speaker, presiding officer, prolocutor, prolocutress, prolocutrix, public speaker, rabble-rouser, ranter, rapporteur, reporter, sayer, speaker system, speaker unit, speecher, speechifier, speechmaker, spieler, spokesman, spokesperson, spokeswoman, spouter, talker, triaxial speaker, tub-thumper, tweeter, utterer, voice, voice coil, woofer