ROWDY Meaning of ROWDY in English adj. & n. --adj. (rowdier, rowdiest) noisy and disorderly. --n. (pl. -ies) a rowdy person. Derivatives: rowdily adv. rowdiness n. rowdyism n. Etymology: 19th-c. US, orig. lawless backwoodsman: orig. unkn. Oxford English vocab. Оксфордский английский словарь. 2012