Synonym: definite, particular, positive, some, special, sure. Antonym: doubtful, uncertain. Similar words: for certain, certainly, uncertain, uncertainty, certainly not, entertainment, curtain, maintain. Meaning: ['sɜːtn] 
adj. 1. definite but not specified or identified 2. having or feeling no doubt or uncertainty; confident and assured 3. established beyond doubt or question; definitely known 4. certain to occur; destined or inevitable 5. established irrevocably 6. reliable in operation or effect 7. exercising or taking care great enough to bring assurance.
adj. 1. definite but not specified or identified 2. having or feeling no doubt or uncertainty; confident and assured 3. established beyond doubt or question; definitely known 4. certain to occur; destined or inevitable 5. established irrevocably 6. reliable in operation or effect 7. exercising or taking care great enough to bring assurance. 
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181. He is certain of success, and I have not the heart to undeceive him.
182. It was a certain Dr Davis who performed the operation.
183. In chess, the pieces can only move in certain directions.
184. The determinist doctrines in question maintained that certain people were born to be slaves.
185. Below a certain threshold level a person will not be able to detect sound.
186. The writing is on the wall for the local football club: bankruptcy seems certain.
187. The song has a certain appeal, but I'm not sure what it is.
188. When I took on the job of manager, I inherited certain financial problems.
189. Firstly, they must make certain that their pension needs are adequately catered for.
190. Certain of those present had had too much to drink.
191. A reflexologist can often tell what is wrong with his client by the condition of certain parts of the feet.
192. The bank agreed to extend the loan if certain conditions were met .
193. He moved an amendment limiting capital punishment to certain very serious crimes.
194. The equipment should be able to withstand a certain amount of rough handling.
194. Sentencedict.com is a online sentence dictionary, on which you can find excellent sentences for a large number of words.
195. We were interested in pushing forward certain issues and getting up on our soapbox about them.
196. Recent studies have borne out claims that certain perfumes can bring about profound psychological changes.
197. I think there's a bus at 8 but you'd better call to make certain.
198. Human beings are genetically programmed to learn certain kinds of language.
199. Environmental pressures encourage genes with certain mutations to persist and others to die out.
200. There was a certain amount of rough justice in his downfall.
201. They will only agree to sign the contract if certain conditions are met.
202. There's a certain mood of fatalism now among the radicals.
203. Although the car is basically sound, I was worried about certain areas.
More similar words: for certain, certainly, uncertain, uncertainty, certainly not, entertainment, curtain, maintain, concert, undertake, retain, obtain, contain, sustain, captain, container, retaining, sustainable, cancer, soccer, dancer, officer, concern, grocery, producer, ceremony, shortage, stair, mortality, important.