brighten

verb

bright·​en ˈbrī-tᵊn How to pronounce brighten (audio)
brightened; brightening ˈbrīt-niŋ How to pronounce brighten (audio)
ˈbrī-tᵊn-iŋ
Synonyms of brightennext

transitive verb

1
: to make bright or brighter
you brightened my day
2
: to enhance or intensify the flavor of (food) especially by adding an acidic element (such as citrus juice or vinegar)
Crisp lemon slices brighten smoky bacon and rosemary-infused trout.Melissa Roberts-Matar
brightener
ˈbrīt-nər How to pronounce brighten (audio)
ˈbrī-tᵊn-ər
noun

Examples of brighten in a Sentence

He brightened the picture on the television. Flowers can brighten any room. The good news brightened her mood. The sky brightened after the storm. Business prospects brightened last month. Her face brightened in relief when she heard that he was not hurt.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This rich moisturizer features a natural vitamin C complex—potentially sourced from Kakadu plum, Irish Sea moss, and tremella mushroom extract—to brighten and hydrate skin simultaneously. Conçetta Ciarlo, Vogue, 20 Mar. 2026 The imposing exterior, made of natural Caribbean limestone and coral stone, is brightened up with turquoise gates and terrace railing. Tori Latham, Robb Report, 19 Mar. 2026 Conditions brighten Friday as warmer air moves in, with highs climbing into the 50s to low 60s, particularly where the snowpack has already melted. Joseph Dames, CBS News, 19 Mar. 2026 More than a body moisturizer, Crepe Control Tightening Body Cream is a transforming treatment, packed with peptides plus lifting and brightening agents to visibly tighten and even skin tone. Tory Johnson, ABC News, 19 Mar. 2026 See All Example Sentences for brighten

Word History

First Known Use

14th century, in the meaning defined at intransitive sense

Time Traveler
The first known use of brighten was in the 14th century

Cite this Entry

“Brighten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brighten. Accessed 21 Mar. 2026.

Kids Definition

brighten

verb
bright·​en ˈbrīt-ᵊn How to pronounce brighten (audio)
brightened; brightening ˈbrīt-niŋ How to pronounce brighten (audio)
-ᵊn-iŋ
: to make or become bright or brighter

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