Similar words: know, knob, knock, unknown, known as, know about, well known, knock out. Meaning: [nəʊn] 
adj. apprehended with certainty.
adj. apprehended with certainty. 
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211. His political views are known to be left of/right of centre.
212. Increasing gravity is known to speed up the multiplication of cells.
213. A broadcast of the speech was heard in San Francisco, but it is not known if this was live.
214. It is difficult to relate these results with any known cause.
215. We have known each other socially for a long time.
216. After she had gone, Paul made himself known to Dr Heatherton.
217. A well - known broadcaster has been asked to commentate on the opening ceremony of the national games.
218. I let it be known that I was not happy about the decision that had been made.
219. The result of the strike ballot will be known tomorrow morning.
220. The panel of judges included several well - known writers.
221. I've never known him to be stuck for words before.
222. It's always been known that key figures in the government do very well for themselves.
223. Your new neighbor is known to the police, so you'd better lock your door.
224. The people make their wishes known through the ballot box.
225. She had given him the only joy his arid life had ever known.
226. James Bond is known for his sophistication, his style and his sense of class.
227. The book is written by experts who are well known as researchers in the field.
228. In Britain, BSE is popularly known as Mad Cow Disease.
229. It must be stated that this illness is one of the most complex conditions known to man.
230. The letter came back with 'return to sender - not known at this address' written on it.
231. He should have known better. But he was blinded by his own self-centredness.
232. The market was known as a place where people disposed of stolen property.
233. In Los Angeles,[Sentence dictionary] the neighborhood known as Watts erupted into riots.
234. I've known Mollie ever since I was a little girl.
235. Klaus Barbie was known in France as the Butcher of Lyon.
236. It would be improper of me to comment before the election outcome is known.
237. The result of the poll won't be known until midnight.
238. It is time the silent majority made their opposition known.
239. The French are known for their love of their language.
240. He claimed his case would be prejudiced if it became known he was refusing to answer questions.
More similar words: know, knob, knock, unknown, known as, know about, well known, knock out, knock off, well-known, knock down, for all I know, doorknob, knowledge, gordian knot, unknowingly, acknowledge, hard knocks, acknowledgement.