A. Flexible
B. Thoughtless
C. Provident
D. Genuine

Explanation:

The word spurious means fake, false, or not real. It is used when something looks real but is actually fake or misleading.

In simple words: not original or not true.

The opposite of spurious is genuine, which means real, authentic, and true.

So, Genuine is the correct antonym of Spurious.

Real-Life Example

Imagine two documents:

• A fake certificate made to trick people → this is spurious.
• A real certificate issued by a school → this is genuine.

Fake = Spurious
Real = Genuine

Main Points for Exams

• Spurious means fake, false, or not genuine.
• It is often used for documents, claims, or objects.
• Genuine means real and authentic.
• Flexible, Thoughtless, and Provident are unrelated.
• Therefore, Genuine is the correct antonym of Spurious.
• This type of vocabulary question is common in PPSC, FPSC, CSS, PMS, NTS, IELTS, TOEFL, and other competitive exams.

Quick Memory Trick

❌ Spurious = Fake
✅ Genuine = Real

Fake ↔ Real
Spurious ↔ Genuine ✔️