COLTISH Meaning of COLTISH in English [colt.ish] adj (14c) 1 a: not subjected to discipline b: frisky, playful 2: of, relating to, or resembling a colt -- colt.ish.ly adv -- colt.ish.ness n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012