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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151. There is no known cure for the disease.
152. Not enough is known about what happened.
153. He was found with several other known sex offenders.
154. He is known for his anti-abortion stance.
155. He is little known as an artist.
156. We've known each other for over a year.
157. I've known John all my life .
158. The police think she must have known her attacker.
159. He was a well - known educator.
160. She has known both grief and happiness.
161. I've known Peter since the year dot.
162. I own to having known about it.
163. These cave paintings predate any others which are known.
164. He was a known political subversive.
165. She is known to hold strong views on Cuba.
166. Have you known them for long?
167. Drinking is known to be harmful.
168. I count myself lucky to have known him.
169. The fox is known for its cleverness and cunning.
170. Matheson is known for his pro-socialist sympathies.
171. His trenchant views on the subject are well known.
172. The Curies are best known for discovering radium.
173. Electronic retailing has predictably become known as etailing.
174. Little is known about the author's childhood.
175. His devotion to the cause of education is well - known.
176. That the attempt to save her had failed soon became widely known.
177. Chapman had known all along that the plan wouldn't work.
178. Since that pianist was not very well known[Sentencedict.com ],(sentencedict.com) his agent papered the house.
179. In March 1770, there occurred what became known as the Boston Massacre.
180. She is not known for her sensitivity in dealing with complaints.
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.