Synonym: absurd, inconceivable, unimaginable, unthinkable. Antonym: possible. Similar words: possible, as soon as possible, possibility, permissible, accessible, inexpressible, impose, visible. Meaning: [ɪm'pɑsəbl /-'pɒs-] 
n. something that cannot be done. adj. 1. not capable of occurring or being accomplished or dealt with 2. totally unlikely 3. used of persons or their behavior.
n. something that cannot be done. adj. 1. not capable of occurring or being accomplished or dealt with 2. totally unlikely 3. used of persons or their behavior. 
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181. He wanted to be rich but it was an impossible dream.
182. There was so much furniture in the salesroom that it became impossible to fit any more in.
183. The twin sisters are so much alike that it is almost impossible to know one from the other.
184. It's impossible to carry on a conversation with all this noise in the background.
185. It is impossible to predetermine every specific problem that we will meet.
186. She wants a man who is bright, attractive and funny as well, which is asking the impossible in my opinion.
187. The dispute over the song rights proved impossible to resolve.
188. It's impossible to put a figure on the number of homeless people in London.
189. In its absence China would retrogress into division and chaos, and modernization would become impossible.
190. It is impossible to foresee how life will work out.
191. It is almost impossible to find a dentist who will fill a tooth on the National Health.
192. It is almost impossible for the prime minister to stand above the factions. He always seems in hock to one or another.
193. It's impossible to pinpoint a moment when it hit me that I was 'a success'.
194. It's impossible to hold/carry on a conversation with all this noise going on!
195. With no help, finishing the job in a day was well-nigh impossible.
196. It's impossible to get things done when you're looking after a baby.
197. It's impossible to apply the same academic standards across the country.
198. The cost of the fire damage is impossible to quantify.
199. Most artists find it almost impossible to make a living from art alone.
200. It was already impossible to tell where the bullet had entered.
201. It's physically impossible to finish by the end of the week.
202. In spite of our best endeavours,[www.Sentencedict.com] it has proven impossible to contact her.
203. It is impossible to gauge the extent of the damage.
204. She ate three plates of spaghetti and a dessert? That's impossible. I don't believe it!
205. We were in an impossible situation. Whatever we decided to do would upset someone.
206. It was impossible to remove the stain from the tablecloth.
207. With the new equipment we will be able to accomplish hitherto impossible tasks.
208. It's an impossible situation - she's got to leave him but she can't bear losing her children.
209. It's impossible to understand the nuances of an isolated word without some contextual clues.
210. Finding a rug that's just the colour, size and price you want can be well-nigh impossible.
More similar words: possible, as soon as possible, possibility, permissible, accessible, inexpressible, impose, visible, feasible, ostensible, comprehensible, be responsible for, sibling, compose, fossil, ostensibly, import, composure, impolite, composition, importune, important, Bible, importantly, foible, of importance, impoverishment, fungible, eligible, horrible.