somniferous

Từ điển Oxford Learners Wordfinder Dictionary

adjective

sleep inducing
• Syn:
soporific, soporiferous, somnific, hypnogogic, hypnagogic
• Similar to:
depressant
• Derivationally related forms:
soporific (for: soporific)

• Từ đồng nghĩa / Synonyms:
  soporific, soporiferous, somnific, hypnogogic, hypnagogic