define couth
Wiktionary(0.00 / 0 votes)Rate this definition: couth(Noun) Social grace, sophistication; manners; refinement. That man has no couth. couth(Adjective) Marked by or possessing a high degree of sophistication; cultured, refined. Origin: From couth, from cuÃ¾, from kunÃ¾az, from Çµen-.