tech·ni·cal / ˈteknikəl/ • adj. 1. of or relating to a particular subject, art, or craft, or its techniques: technical terms a test of an artist's technical skill. ∎ (esp. of a book or article) requiring special knowledge to be understood: a technical report.2. of, involving, or concerned with applied and industrial sciences: an important technical achievement.3. resulting from mechanical failure: a technical fault.4. according to a strict application or interpretation of the law or rules: the arrest was a technical violation of the treaty. • n. Basketball short for technical foul.