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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151. It's impossible to crowd any more football supporters in.
152. The situation is quite impossible for us.
153. It is virtually impossible to predict the future accurately.
154. The fan's feelings finally became impossible to steer.
155. It's impossible to park in the city centre.
156. It is almost impossible to find a lawyer that is not a shyster.
157. He's difficult at the best of times usually he's impossible.
158. It is impossible to say who struck the fatal blow.
159. Tom Cruise has performed his own stunts for Mission Impossible 2, defying warnings from professionals.
160. It was impossible to work in the heat of the noonday sun .
161. Peace could come only gradually, in carefully measured steps. Even then, it sounds almost impossible to achieve.
162. It was impossible to cover the overloaded syllabus in a year.
163. The knot was fastened in such a way that it was impossible to undo.
164. Files have been stored in such a haphazard manner that they are impossible to find.
165. It is almost impossible to keep abreast of all the latest developments in computing.
166. It was well-nigh impossible for him to convince her that he was right.
167. It's impossible to reach this beach by land because of the high cliffs.
168. It is impossible to assign an exact date to this building.
169. I just want to be able to buy healthy food at a reasonable price. Is that asking the impossible?
170. We can catch the vast majority of people,[http://sentencedict.com/impossible.html] but hunting down every last tax dodger is virtually impossible.
171. Such mental attitudes are difficult, if not impossible , to change.
172. We were in an impossible situation - whatever we did, someone would be upset.
173. Perfection is impossible to achieve in that kind of work.
174. It's almost impossible to get hold of tickets for the final.
175. Their failure to come to a decision put her in an impossible position.
176. Helen's refusal to cooperate put me in an impossible position .
177. It was becoming impossible to see the map in the gathering darkness.
178. It is impossible to generalize about children's books, as they are all different.
179. I'm afraid it's next door to impossible that we'll be there on time.
180. It was impossible to move the car - its wheels had got stuck in the mud.
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.