Synonym: incapable, incompetent, unfit, unqualified. Antonym: able. Similar words: enable, sustainable, able, cable, table, be able to, tableau, variable. Meaning: [ʌnˈeɪb(ə)l] 
adj. 1. (usually followed by `to') not having the necessary means or skill or know-how 2. (usually followed by `to') lacking necessary physical or mental ability 3. lacking in power or forcefulness.
adj. 1. (usually followed by `to') not having the necessary means or skill or know-how 2. (usually followed by `to') lacking necessary physical or mental ability 3. lacking in power or forcefulness. 
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151. It all seemed so far away from here that he found himself quite unable to take it in.
152. He seemed constitutionally unable not to give his opinion on anything and everything.
153. She was unable to attend because of the pressure of work.
154. Emergency workers at the site are still unable to pinpoint the cause of the explosion.
155. Unable to settle, she trailed around the house all day.
156. For certain reasons I will be unable to attend the meeting.
157. They were unable to produce any statistics to verify their claims.
158. Without the adequate provision of childcare, many women who wish to work are unable to do so.
159. For months I had been either unwilling or unable to go through with it.
160. She's been unable to play since January because of a torn calf muscle.
161. Detectives have been unable to assign a motive for the murder.
162. School administrators were unable to explain the slide in student performance.
163. She was unable to carry out her duties because she was too ill.
164. He was unable to prevent a look of interest from flitting across his features.
165. The police have been unable to solve the riddle of her disappearance.
166. He found John pacing around the flat,[Sentencedict.com] unable to sleep.
167. Mrs Biggs is ill and will be unable to take you today.
167. Sentencedict.com try its best to collect and build good sentences.
168. She is unable to communicate her ideas to other people.
169. The street was so crowded that cars were unable to pass.
170. Since you are unable to answer, perhaps we should ask someone else.
171. The owners were unable to satisfy all the demands of the workers.
172. Unable to swim, he watched helplessly as the child struggled desperately in the water.
173. We had the inconvenience of being unable to use the kitchen for several weeks.
174. For two weeks, the cash machine was unable to dispense money.
175. Ms Jarvis is unable to accept your kind invitation .
176. We could not reason out which way the robbers escaped, because we were unable to find any trace of them.
177. He was unable to deny the charges in the face of new evidence.
178. After careful consideration of your proposal, I regret to say that we are unable to accept it.
179. We were unable to meet the repayments on the loan.
180. He was unable to sit still for longer than a few minutes.
More similar words: enable, sustainable, able, cable, table, be able to, tableau, variable, bearable, suitable, reliable, vegetable, disabled, available, comparable, favorable, agreeable, on the table, inevitable, acceptable, changeable, vulnerable, tablespoon, remarkable, uncomfortable, be available, unchangeable, considerable, fortunately, complain about.