Antonym: hearer. Similar words: speak, speak up, speak for, to speak of, so to speak, peak, maker, lawmaker. Meaning: ['spɪːkə(r)] 
n. 1. someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous) 2. electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance 3. the presiding officer of a deliberative assembly.
n. 1. someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous) 2. electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance 3. the presiding officer of a deliberative assembly. 
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271. The speaker was applauded as he tore apart the prime minister's policies.
272. The talk was about educational opportunities for adults, and the speaker also touched upon sources of finance.
273. The speaker answered most questions well, except one that he tripped over because he didn't have the necessary facts.
274. In conclusion, I would like to thank our guest speaker.
275. The speaker advocated a less austere observance of the Sabbath.sentence dictionary
276. The speaker sidestepped the question by saying that it would take him too long to answer it.
277. There's a small crowd round the speaker, but you try to edge your way in.
278. The speaker was shouted down by a group of protesters.
279. The chairperson extended a warm welcome to the guest speaker.
280. They were more concerned with how the other women had dressed than in what the speaker was saying.
281. The speaker gave us a humorous joke which suddenly clicked with us and we all laughed.
282. The speaker has to ad - lib his speech when his papers suddenly blow off the podium.
283. The speaker seems to have no original ideas; his speech was full of platitudes.
284. The speaker showed good judgement in his choice of topic.
285. The audience is now invited to put questions to the speaker.
286. And now I'd like to introduce our next speaker,[sentencedict.com] Mrs Thompson.
287. He was an interesting speaker, if not always politically correct in his views.
288. The speaker came into the hall carrying a sheaf of notes.
289. The next speaker tried to make himself heard, but the crowd roared him down.
290. He was such a clever speaker that he always ate up the opposition.
291. The speaker was regrettably indisposed.