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Definitions

black out

VERB
obliterate or suppress
Synonyms
STRONGEST
cross out cut off darken erase extinguish faint pass out
STRONG
delete
WEAK
batten conceal cover cover up eclipse eradicate go out like a light hold back keel over make dark obfuscate quash rub out shade smother squash squelch stifle suppress swoon zonk out
Antonyms
WEAK
add pencil in resuscitate revive uncover
VERB
faint
Synonyms
STRONGEST
lose consciousness pass out
WEAK
collapse crap out draw a blank go out like a light slip into coma swoon zone out
Antonyms
WEAK
add pencil in resuscitate revive uncover

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“They can’t black out the whole country,” Kolisnyk said.

From The Wall Street Journal • Dec. 24, 2025

Korkosz, who drove for a Polish haulage company, didn't realise his camera recorded sound, but still insisted it should have captured the violent coughing which made him "black out" and become disoriented.

From BBC • Nov. 4, 2025

Not because I black out and instantly transform into an immature child anytime a person starts talking about feces, but apples.

From Salon • Apr. 11, 2024

But Murdaugh’s attorneys said FBI agents can just black out any information they don’t want to make public while leaving the bulk of the statements available so people can judge the allegations themselves.

From Seattle Times • Mar. 28, 2024

Her stomach was starting to bother her and she was starting to have these fainting spells, you know, she’d just black out in the middle of the day.

From "The Color of Water: A Black Man's Tribute to His White Mother" by James McBride