wit·ty (wĭtʹē)adj. wit·ti·er, wit·ti·est 1. Possessing or demonstrating wit in speech or writing; very clever and humorous. 2. Characterized by or having the nature of wit; funny or jocular: a witty saying. 3. Quick to discern and express amusing insights or relationships. 4. Entertainingly and strikingly clever or original in concept, design, or performance: a witty sculpture; witty choreography. witʹti·ly adv.witʹti·ness n.