Synonym: at one time, erst, erstwhile, formerly, in one case, one time. Similar words: at once, concede, concert, concern, concept, all at once, conceive, once more. Meaning: [wʌns] 
adv. 1. on one occasion 2. as soon as 3. at a previous time.
adv. 1. on one occasion 2. as soon as 3. at a previous time. 
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151. The fruit can be eaten once the prickles have been removed.
152. Some of us get dipped in flat, some in satin, some in gloss. But every once in a while, you find someone who's iridescent, and when you do, nothing will ever compare.
153. Medieval banquets are held in the castle once a month.
154. Once people retire they automatically cease to be union members.
155. Christmas comes but once a year.But when it comes it brings good cheer.
156. Once they settled in, my father looked back over his shoulder and asked the children if Santa had found them yet. Three glum faces mutely gave him his answer.
157. Young love has always been headstrong,but not the flowers only once love.
158. All the love stories have something in common. Once upon a time, I have that experience too. but I can not remember it clearly. All I can remember is that love returns with another man bringing new hopes to me.
159. Researchers theorize that there was once a common language for all humanity.
160. We once got stuck in a blizzard for six hours.
161. Once we get the preparation done, it'll be downhill all the way.
162. Let's pack up and get ready to start at once.
163. Most Muslims try to make a pilgrimage/go on a pilgrimage to Mecca at least once in their life.
164. They once again held out on him when he asked to leave the army.
165. Jones didn't flinch once when the nurse cleaned the cut in his leg.
166. Once he's set his heart on a thing, he won't rest till he gets it.
167. You cannot improve your past, but you can improve your future. Once time is wasted, life is wasted.
168. He was once hagged by the enemy at the beginning of being captured.
169. Once in the bloodstream, the bacteria adhere to the surface of the red cells.
170. She disliked the president, whom she once described as an 'insufferable bore'.
171. I dreamed up a plan to solve both problems at once.
172. Once we get settled(Sentence dictionary), we must ask the neighbours in for coffee.
173. She spoke for an hour without once referring to her notes.
174. We should consider every day lost on which we have not danced at least once. Friedrich Nietzsche 
175. Those who were once for him have turned against him.
176. Once his decision is made, there will be no going back.
177. Most people who've had chicken pox once are immune to it for the rest of their lives.
178. Just for once I want someone to be afraid of losing Me.
179. Friendship is like earthenware: once broken, it can be mended; love is like a mirror: once broken, that ends it.
180. Once I have the chance to witness his worst moment, but u still can accept his defects and keep this as secret. Then ur love will last longer.
More similar words: at once, concede, concert, concern, concept, all at once, conceive, once more, conception, concerning, concentrate, once in a while, concentration, once upon a time, concentrating, concrete, conclude, on credit, conclusion, conciliatory, since, hence, fence, cancel, cancer, dancer, stance, glance, chance, bounce.