A. Misty
B. Apparent
C. Murky
D. Shadowy

Explanation:

The word nebulous means unclear, vague, or not clearly defined.

In simple words: something that is confusing or not easy to understand.

The opposite of nebulous is apparent, which means clear, obvious, and easy to understand or see.

So, Apparent is the correct antonym of Nebulous.

Real-Life Example

Imagine a situation:

• A teacher gives a very confusing explanation → this is nebulous.
• Another teacher explains everything clearly so students understand easily → this is apparent.

Unclear = Nebulous
Clear = Apparent

Main Points for Exams

• Nebulous means vague, unclear, or not well-defined.
• It is often used for ideas, plans, or descriptions.
• Apparent means obvious and easy to understand.
• Misty, Murky, Shadowy all suggest lack of clarity.
• Therefore, Apparent is the correct antonym of Nebulous.
• This type of vocabulary question is common in PPSC, FPSC, CSS, PMS, NTS, IELTS, TOEFL, and other competitive exams.

Quick Memory Trick

🌫️ Nebulous = Unclear
☀️ Apparent = Clear

Vague ↔ Clear
Nebulous ↔ Apparent ✔️