A. frustrating
B. questionable
C. unexplainable
D. entangled

Explanation:

The word inexplicable means something that cannot be explained or understood easily.

In simple words: something mysterious or impossible to explain.

So, the synonym of inexplicable is unexplainable.

Real-Life Example

• The sudden disappearance of the files was inexplicable.
• The sudden disappearance of the files was unexplainable.

Inexplicable = Unexplainable

Why “unexplainable” is correct

• Inexplicable means impossible to explain.
• Unexplainable means something that cannot be explained.
• Both words have the same meaning.

Main Points for Exams

• Inexplicable means impossible to explain or understand.
• Unexplainable is its correct synonym.
• The other options do not match the exact meaning.
• Therefore, Unexplainable is the correct answer.
• Frequently asked in PPSC, FPSC, CSS, PMS, NTS, IELTS, and TOEFL vocabulary tests.

Quick Memory Trick

❓ Inexplicable = Cannot Be Explained
🧠 Unexplainable = Same Meaning

Easy to Explain ↔ Clear
Cannot Explain ↔ Inexplicable = Unexplainable ✔️