slow, calm and relaxed synonym unhurried镇定的;泰然的;不慌不忙的 quiet, especially in a way that lacks excitement 宁静的;不热闹的 a sedate country town 宁静的乡间小镇 a sedate family occasion 平静的家庭聚会 a sedate, sober man 一个严肃审慎的人
Word Originadjective late Middle English (originally as a medical term meaning ‘not sore or painful’, also ‘calm, tranquil’): from Latin sedatus, past participle of sedare ‘settle’, from sedere ‘sit’.