Black out
/ˈblæk ˈaʊt/B2
UpperIntermediate
1. To lose consciousness temporarily.
- After standing up too quickly, she began to feel dizzy and blacked out for a few moments.
- The fighter blacked out after receiving a severe blow to the head in the middle of the match.
2. To cover or obscure something to make it dark, often used with windows or lights.
- They had to black out the windows during the air raid to prevent enemy planes from seeing the city.
- We need to black out the stage before the performance begins to surprise the audience.
Synonyms:
More Phrasal Verbs:
This word has no synonymsFAQ
© 2025 Lithium Lab Pte Ltd