Select the most appropriate synonym of the given word.

CONFEDERATE 

Accomplice 

The most appropriate synonym of the word confederate is accomplice.

• Confederate means "a person who joins with another in a secret or unlawful enterprise."
• Accomplice means "a person who helps another commit a crime."

The other words do not have the same meaning as confederate.

• Appalling means "extremely bad or shocking."
• Brother means "a male sibling."
• Group means "a number of people or things that are together or associated in some way."