Home Dee Dee Word of the Day – Dec. 15 – Taciturn Dee Dee Word of the Day – Dec. 15 – Taciturn By Staff mB - December 15, 2011 1011 Adjective: Taciturn (TASS-uh-tern) Definition: Temperamentally disinclined to talk. Sample sentence: The waiter, previously friendly and good-humored, suddenly became solemn and taciturn.