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.
Blurring pores and fine lines is desirable, but this primer has color-correcting properties that take it one step further — covering redness, brightening dark undereyes, and creating an overall healthy-looking complexion. Rachel Trujillo, PEOPLE, 14 May 2026 Instead, the data revealed a planet in flux where areas brightened explosively in one year and dimmed sharply the next; regions flickered in rhythms tied to oil booms, armed conflicts, and pandemic lockdowns. Bree Shirvell, Hartford Courant, 12 May 2026 Just a little acid went a long way in brightening up all the flavors and cutting through the richness of the sauce. Sarah Martens, Better Homes & Gardens, 11 May 2026 The gracefully arching evergreen foliage is edged in golden yellow, perfect for brightening shady gardens or porch pots year-round. Kim Toscano, Southern Living, 10 May 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 16 May. 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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