"Rowdydowdy" is a colloquialism that refers to someone who is loud, boisterous, and disruptive. Its antonyms are words that describe individuals who are quiet, reserved, and well-behaved. Such antonyms include meek, demure, reticent, subdued, and reserved. These words connote traits of individuals who prefer to keep a low profile, shy away from attention, and avoid situations that might lead to conflict or disorder. People who exhibit such traits are often seen as introverts who have a keen sense of self-awareness and prefer to operate under the radar. As such, the antonyms for "rowdydowdy" offer a contrast to the outgoing and brazen personality that the word connotes.