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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91. Ruth looked down, unable to meet his eye.
92. The phone company were unable to trace the call.
93. She admitted that she was unable to compromise.
94. He tossed and turned all night, unable to sleep.
95. He was unable to keep his anger in.
96. He was unable to account for the error.
97. She was unable to suppress a giggle.
98. he felt unable to accept the job.
99. He was momentarily unable to speak with excitement.
100. The teacher was unable to maintain discipline.
101. The company has been unable to fill the post.
102. He is still unable to express himself in English.
103. She was unable to grasp how to do it.
104. They were unable to keep up the instalments.
105. The jury was unable to reach a verdict.
106. I regret that I will be unable to attend.
107. He was unable to swallow anything but liquids.
108. She had shown herself unable to deal with money.
109. He was unable to contain his own destructive feelings.
110. The crew seemed unable to right the capsized yacht.
111. She was unable to hide her excitement.
112. I am unfortunately unable to accept your kind invitation.
113. The king was unable to raise an army.
114. Let us know if you're unable to come.
115. Many patients feel unable to express their fears.
116. The authorities were unable to control events.
117. She is unable to cope with her increasing workload.
118. She was unable to restrain her desperate anger.
119. She was unable to contain her excitement.
120. We were unable to contact him at the time.
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.