darken

Từ điển Oxford Advanced Learner 8th

dark·en [darken darkens darkened darkening] BrE [ˈdɑːkən] NAmE [ˈdɑːrkən] verb
1. intransitive, transitive to become dark; to make sth dark
•The sky began to darken as the storm approached.
•~ sth We walked quickly through the darkened streets.
•a darkened room
2. intransitive, transitive to become unhappy or angry; to make sb unhappy or angry
•Her mood darkened at the news.
•Luke's face darkened (= he looked angry).
•~ sth It was a tragedy that darkened his later life.
Idiom: ↑never darken my door again
Verb forms:

• Từ trái nghĩa / Antonyms:
  brighten, lighten up, lighten