TACITURN :

Answer: Option C

Judge: A public officer appointed to decide cases in a law court.
Silent: Not making or accompanied by any sound.
Talkative: Fond of or given to talking.
Immense: Extremely large or great, especially in scale or degree.
TACITURN : Uncommunicative in speech; saying little.

Antonym of TACITURN is Talkative.