Which word has prefix that means "against"?

1. Contradict
2. Excoriate
3. Abnormal
4. Distend

The word with a prefix that means "against" is contradict.

The prefix that means "against" is "contra-". To identify which word has this prefix, we need to look at the options provided.

1. Contradict: This word does contain the prefix "contra-", which means "against." Therefore, this word has the prefix that means "against."

2. Excoriate: This word does not have the "contra-" prefix.

3. Abnormal: This word does not have the "contra-" prefix.

4. Distend: This word does not have the "contra-" prefix.

Based on this analysis, the word with the prefix that means "against" is "Contradict."

The word that has a prefix meaning "against" is "Contradict."