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.
Namely, the creamy remoulade that also stars Duke’s, plus briny capers, savory anchovies and Worcestershire sauce, zippy mustard, and a squeeze of lemon juice to brighten things up. Karla Walsh, Southern Living, 13 Feb. 2026 Both are apt choices for brightening your everyday ensembles and signaling to passerby your globetrotting tendencies. Stacia Datskovska, Footwear News, 11 Feb. 2026 Her ability to observe and relate her observations and insights with clarity brightened the pages of various publications over many years. Lisa Boone, Los Angeles Times, 11 Feb. 2026 Despite Martin’s rough start in the job, the party’s spirits had brightened considerably after November 4, when Democrats scored double-digit wins in the Virginia and New Jersey governor’s races. Mark Leibovich, The Atlantic, 11 Feb. 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 15 Feb. 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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