D defs.my
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. 1.
    Not ruffled or agitated; smooth; calm; tranquil; quiet.
    “Calm and unruffled as a summer's sea.” Addison.