A speaker is someone who delivers a speech or a device that makes sounds louder. The speaker gave a great speech but you couldn't hear it because the speaker was turned off.

Speaker has a few different meanings, from the person who addresses a group, to the piece of equipment that amplifies sound to someone who is fluent in a particular language. For example, a native Spanish speaker can usually tell if someone learned the language in high school because textbooks don't always include the slang and idioms of everyday speech.

Definitions of speaker
  1. noun
    someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
    “the speaker at commencement”
    synonyms: talker, utterer, verbaliser, verbalizer
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    a speaker or writer who makes use of alliteration
    caller, caller-up, phoner, telephoner
    the person initiating a telephone call
    babbler, chatterbox, chatterer, magpie, prater, spouter
    an obnoxious and foolish and loquacious talker
    conversationalist, conversationist, schmoozer
    someone skilled at conversation
    a speaker who dictates to a secretary or a recording machine
    someone who speaks with a drawl
    driveller, jabberer
    someone whose talk is trivial drivel
    a speaker who utters a sudden exclamation
    a speaker whose voice sounds like a growl
    asker, enquirer, inquirer, querier, questioner
    someone who asks a question
    someone who lectures professionally
    a speaker who lisps
    a speaker who refers to something briefly or incidentally
    someone who talks incessantly
    mumbler, murmurer, mutterer
    a person who speaks softly and indistinctly
    narrator, storyteller, teller
    someone who tells a story
    orator, public speaker, rhetorician, speechifier, speechmaker
    a person who delivers a speech or oration
    someone who speaks in a childish way
    ranter, raver
    someone who rants and raves; speaks in a violent or loud manner
    someone who recites from memory
    native speaker
    a speaker of a particular language who has spoken that language since earliest childhood
    stammerer, stutterer
    someone who speaks with involuntary pauses and repetitions
    a speaker with an unusually loud voice
    talking head
    a talker on television who talks directly into the cameras and whose upper body is all that is shown on the screen
    a speaker who expresses or gives vent to a personal opinion or grievance
    a loud and vehement speaker (usually in protest)
    a speaker who voices an opinion
    a mourner who utters long loud high-pitched cries
    one who speaks in a whisper
    informant, witness, witnesser
    someone who sees an event and reports what happened
    eulogist, panegyrist
    an orator who delivers eulogies or panegyrics
    anecdotist, raconteur
    a person skilled in telling anecdotes
    attestant, attester
    someone who affirms or vouches for the correctness or truth or genuineness of something
    cross-examiner, cross-questioner
    someone who questions a witness carefully (especially about testimony given earlier)
    someone skilled at informal chitchat
    a public speaker trained in voice production and gesture and delivery
    examiner, quizzer, tester
    someone who administers a test to determine your qualifications
    a person who tells or invents fables
    a storyteller in West Africa; perpetuates the oral traditions of a family or village
    a public speaker who delivers a loud or forceful or angry speech
    inquisitor, interrogator
    a questioner who is excessively harsh
    conversational partner, interlocutor
    a person who takes part in a conversation
    a person who conducts an interview
    canvasser, headcounter, poll taker, pollster
    someone who conducts surveys of public opinion
    an orator who can hold his listeners spellbound
    deponent, deposer, testifier
    a person who testifies or gives a deposition
    a noisy and vigorous or ranting public speaker
    type of:
    someone who pronounces words
  2. noun
    the narrative voice of a poem (as distinct from the poet)
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    type of:
    narrator, storyteller, teller
    someone who tells a story
  3. noun
    electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
    synonyms: loudspeaker, loudspeaker system, speaker system, speaker unit
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    bullhorn, loud hailer, loud-hailer
    a portable loudspeaker with built-in microphone and amplifier
    intercom speaker, squawk box, squawker
    the loudspeaker on an intercom or public address system
    a loudspeaker that is designed to reproduce very low bass frequencies
    a loudspeaker
    a loudspeaker that reproduces higher audio frequency sounds
    a loudspeaker that reproduces lower audio frequency sounds
    type of:
    electro-acoustic transducer
    a transducer that converts electrical to acoustic energy or vice versa
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