Explanation
The word "foe" means an enemy or opponent, so its most direct opposite is "friend," which refers to a person with whom one has a bond of mutual affection. The other options—foul, fail, and enemy—do not represent the antonym of "foe."
Practice this MCQ: What is the most opposite from the word ‘foe’?. Check correct answer and detailed explanation on MrProfessor.
The word "foe" means an enemy or opponent, so its most direct opposite is "friend," which refers to a person with whom one has a bond of mutual affection. The other options—foul, fail, and enemy—do not represent the antonym of "foe."