Select the most appropriate antonym of the given word.

Impartial

Biased

The most appropriate antonym of the word impartial is biased.

• Impartial means "not favoring one side over another; unbiased."
• Biased means "having or showing prejudice in favor of or against one person or group compared with another, usually in a way considered to be unfair."

The other words do not have the same meaning as impartial, so they are not its antonyms.

• Judicious means "showing sound judgment or good sense."
• Involved means "having a part or share in something."
• Impractical means "not suited to practical use or application."