a drug that makes somebody go to sleep or makes them feel calm and relaxed 镇静药 The doctor gave her a mild sedative to help her sleep. 医生给了她一种药性平和的镇静剂来帮她入睡。
Oxford Collocations Dictionaryadjective- powerful
- strong
- mild
- …
- administer
- give somebody
- prescribe (somebody)
- …
Word Originlate Middle English: from Old French sedatif or medieval Latin sedativus, from Latin sedat- ‘settled’, from the verb sedare ‘settle’, from sedere ‘sit’.