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.
The formula blends squalane, jojoba, and sunflower seed oils to soften dry patches and support elasticity, while rosehip and evening primrose oils bring omegas and antioxidants that help brighten and smooth the look of mature skin over time. Christa Joanna Lee, Allure, 23 Jan. 2026 These days, toast is a canvas for both creativity and comfort, so why not brighten up the morning by bringing in color and spice, tenderness and crunch, sweetness and tang? Laura McLively, Mercury News, 23 Jan. 2026 Alongside the new Luminous Silk Natural Glow Blurring Foundation, makeup artist Melissa Hernandez used the brand’s Luminous Silk Hydrating and Brightening Concealer, which boasts a creamy, radiant formula to brighten and smooth dark circles and blemishes. Reece Andavolgyi, InStyle, 21 Jan. 2026 Your 5th House of Ideation brightens as the radiant Sun meets information-gathering Mercury, encouraging playful expression and compliments. Tarot.com, Baltimore Sun, 21 Jan. 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 27 Jan. 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

More from Merriam-Webster on brighten

Last Updated: - Updated example sentences
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