What are the definitions of “black out”?
Learn how to use these expressions through these examples
- 1Fall unconscious.
He BLACKED OUT and collapsed on the floor.
- 2Lose light.
Everything BLACKED OUT when the power supply failed.
What’s the most common meaning of the phrasal verb “black out”?
The most common meaning of the phrasal verb black out is to lose light or power, usually due to an electrical failure. It can also mean to fall unconscious, often suddenly and without warning.
What are the different verb forms of “black out”?
| Root Verb | black out |
| Third Person Singular Present | blacks out |
| Present Participle | blacking out |
| Simple Past | blacked out |
| Past Participle | blacked out |
Example
The city blacked out during the storm.
Example
She blacks out whenever she sees blood.
Example
The power is blacking out in the entire neighborhood.
Example
He blacked out after hitting his head on the floor.
Example
The power had blacked out for several hours.
What kind of phrasal verb is “black out”?
Notes from a Native English Speaker
What is a transitive and intransitive verb? - A transitive verb always has an object after it. (Example: Sam bought a car.) - An intransitive verb never has an object.(Example: She laughed loudly.)
Intransitive verb
“black out” is an intransitive phrasal verb because it doesn't require an object to complete its meaning. It forms a complete sentence without an object.
Example
She blacked out when she saw the accident.
Example
The power blacked out during the storm.
Notes from a Native English Speaker
What is a separable and inseparable phrasal verb? - A “separable phrasal verb” can be separated with an object between the verb and particle. - An “inseparable phrasal verb” cannot be separated by an object.
Inseparable
“black out” is an inseparable phrasal verb. This means that you can’t place an object between the verb and the particle, otherwise, it changes the meaning of the phrasal verb.
Example
She blacked out when she saw the accident.
Example
The power blacked out during the storm.
What are common phrases and expressions that include the phrasal verb “black out”?
Blackout curtains
Heavy curtains designed to block out light, often used in bedrooms or for privacy.
Example
I bought blackout curtains for my bedroom to help me sleep better.
Blackout dates
Specific dates when a special offer or promotion is not available, often in the travel industry.
Example
The hotel has blackout dates during the holiday season, so we can't use our discount.
Good things to know
Does “black out” have an informal or formal tone?
Black out is a neutral phrasal verb that can be used in both informal and formal contexts. It is appropriate for everyday conversations, as well as more formal settings, such as news reports or professional discussions.
What are synonyms of antonyms to the phrasal verb “black out”?
Synonyms
Antonyms
- illuminate
- brighten
- light up
- regain consciousness
- wake up
- power on
- restore power
