A Admin 🎓 Coach ⭐ 38.23K Points 📊 English Q. Find the synonym of Gratuitous ? (A) voluntary (B) confidential (C) grateful (D) unnecessary 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) grateful You must be Logged in to update hint/solution 💬 Discussion 💬 Comment