Explanation:

The word endeavor means to try hard to achieve something or make a serious effort.

In simple words: making a strong and sincere attempt to do something difficult.

So, the synonym of endeavor is attempt earnestly.

Real-Life Example

• He made every endeavor to pass the exam.
• He made every earnest attempt to pass the exam.

Endeavor = Attempt earnestly

Why “attempt earnestly” is correct

• Endeavor means a serious and sincere effort.
• Attempt earnestly means trying with full effort and seriousness.
• Both expressions show strong effort toward a goal.

Main Points for Exams

• Endeavor means a serious attempt or effort.
• Attempt earnestly is its correct synonym.
• It is often used for difficult tasks requiring effort.
• Therefore, Attempt earnestly is the correct answer.
• Frequently asked in PPSC, FPSC, CSS, PMS, NTS, IELTS, and TOEFL vocabulary tests.

Quick Memory Trick

💪 Endeavor = Strong Effort
🧠 Attempt Earnestly = Same Meaning

Avoid ↔ Ignore
Try Hard ↔ Endeavor = Attempt Earnestly ✔️