darken

verb

dark·​en ˈdär-kən 

darkened; darkening ˈdär-kə-niŋ 

intransitive verb

1

: to grow dark : become obscured

the skies were darkening

2

: to become gloomy

his mood darkened

transitive verb

1

: to make dark

2

: to make less clear : obscure

the financial crisis darkened the future of the company

3

: taint, tarnish

darkened his reputation

4

: to cast a gloom over

5

: to make of darker color

darkener

ˈdär-kə-nər 

noun

Synonyms of darken

• frown
• stare
• gloom
• glare

Examples of darken in a Sentence

The sky darkened and it started to rain.

Her face darkens to a deep red when she gets angry.

The wood will darken as it ages.

The bad news darkened his mood.

The last days of her life were darkened by illness.

His mood darkened after he heard the bad news.

Recent Examples on the Web

The sky darkened suddenly, as if it had been turned down by a dimmer switch, and Decoteau frowned at a weather app on his phone. — Rachel Monroe, New Yorker, 17 Aug. 2026

The funeral was held less than a week after her signature song served as the soundtrack at celebrations marking a total eclipse that darkened skies across parts of Europe. — ABC News, 17 Aug. 2026

While a thin sliver will remain illuminated by direct sunlight, most of the lunar surface will appear dramatically darkened with a subtle reddish-orange glow — reminiscent of a total lunar eclipse seen across North America on March 3. — Jamie Carter, Forbes.com, 13 Aug. 2026

Nurphoto | Nurphoto | Getty Images A total solar eclipse darkens the skies over northeastern Spain, with Corbera dâEbre, in Tarragona, Spain, on August 12, 2026, among the locations along the path of totality. — Sawdah Bhaimiya, CNBC, 13 Aug. 2026

Word History

First Known Use

14th century, in the meaning defined at intransitive sense 1

Phrases Containing darken

• darken someone's door/doors

Rhymes for darken

• harken
• hearken
• markan
• parkin

Kids Definition

darken

verb

dark·​en ˈdär-kən 

darkened; darkening ˈdärk-(ə-)niŋ 

1

: to make or grow dark or darker

the sky darkened

2

: to make or become gloomy or forbidding

her face darkened in anger

darkener

ˈdärk-(ə-)nər 

noun