UNRUFFLED

Source: 566, 567

unruffled. Unruffled, a. not tumultuous, calm, unmoved

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Un‐ruf″fled (?), a. [[Pref. un- not + ruffled.]] Not ruffled or agitated; smooth; calm; tranquil; quiet. Calm and unruffled as a summer's sea. Addison.