MCQ Practice English 📖 The word 'ambiguous' is the synonym of -. A alien B certain C dangerous D dubious Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousThe verb 'succumb' means - NextThe word 'assiduity' means -