Definitions

lights out

NOUN

bedtime

Synonyms

WEAK

sack time sleep time sleepy time slumbertime time to hit the hay time to hit the sack time to retire time to turn in

NOUN

curtains

Synonyms

STRONG

death exit extinction taps

WEAK

bitter end end of life end of the line

NOUN

demise

Synonyms

STRONGEST

collapse departure dissolution downfall extinction failure passing termination

STRONG

annihilation curtains decease dying end ending expiration fall quietus ruin silence sleep

WEAK

final thrill last out last roundup number's up

Antonyms

STRONGEST

accomplishment beginning rise start success

STRONG

birth commencement construction creation opening

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.

"It means we can potentially design drugs that target the parasite's ARK1 specifically, turning the lights out on malaria without harming the patient."

From Science Daily • Mar. 5, 2026

Since then those stocks have been lights out, up 76% in 2023, 47.5% in 2024, and 19.3% last year, beating the market every year, according to FactSet.

From Barron's • Mar. 5, 2026

The strategy shot the lights out when the housing and dotcom bubbles burst.

From The Wall Street Journal • Feb. 19, 2026

So Musselman grabbed the gym’s keys, turned the lights out and locked the doors.

From Los Angeles Times • Dec. 9, 2025

A sergeant came in and put the lights out.

From "Fallen Angels" by Walter Dean Myers

lights out

Example Sentences

Related Words