Difficulty: Easy
Correct Answer: Unable
Explanation:
Given data
Concept/ApproachThe accepted antonym of 'able' is 'unable' meaning not able or incapable. It is the standard dictionary pair.
Why the others are incorrectDisable: a verb meaning to render unable; not a direct adjectival antonym in this context.Inable and Misable: nonstandard and not used in modern English.
Final AnswerUnable
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