Entry 1 sense Webster, 1913 Unruffled /ən-rŭf'-əld/ · Un·ruf·fled · IPA /ənrˈʌfəld/ 01 a. Not ruffled or agitated; smooth; calm; tranquil; quiet. 1. Not ruffled or agitated; smooth; calm; tranquil; quiet. “Calm and unruffled as a summer's sea.” — Addison.