Difficulty: Easy
Correct Answer: Rigid
Explanation:
Given data
Concept/Approach
The antonym should denote inflexibility or inability to adjust.
Option analysis
Rigid: inflexible; not easily changed—direct opposite. ✔️Adoptable: capable of being adopted—spelling/meaning trap, not opposite. ❌Flexible/Yielding: near-synonyms of adaptable. ❌
Common pitfalls
Final Answer
Rigid
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