A. Regret
B. Own
C. Prudent
D. Prude

Explanation:

The word gainsay means to deny, contradict, oppose, or disagree with something that has been said.

The opposite of gainsay is to admit, acknowledge, accept, or agree. Among the given options, own means to admit or acknowledge something as true, making it the correct antonym.

Therefore, Own is the correct antonym of Gainsay.

Real-Life Example

Imagine a student is accused of breaking a classroom rule.

• If the student gainsays the accusation, they deny or reject it.
• If the student owns the mistake, they admit that they did it.

Deny = Gainsay
Admit = Own

Main Points for Exams

• Gainsay means to deny, contradict, dispute, or oppose.
• Own means to admit, acknowledge, or accept.
• Regret means to feel sorry and is not related to gainsay.
• Prudent means wise and careful.
• Prude refers to a person with strict moral views.
• Own is the correct antonym of Gainsay.
• This vocabulary question is commonly asked in PPSC, FPSC, CSS, PMS, NTS, IELTS, TOEFL, and other competitive examinations.

Quick Memory Trick

✅ Gainsay = Deny
✅ Own = Admit

Deny ↔ Admit
Gainsay ↔ Own ✔️