Select the most appropriate ANTONYM of the given word.

Reinforce

Weaken

The most appropriate antonym of the word "reinforce" is weaken.

• Reinforce means "to make something stronger or more secure."
• Weaken means "to make something weaker or less secure."

The other answer choices are not as good antonyms of "reinforce" because they do not have the same meaning of "making something weaker or less secure."

• Validate means "to confirm or substantiate the truth of something."
• Diverge means "to move or point in different directions."
• Determine means "to decide or resolve something."