ul·​tra·​bright ˌəl-trə-ˈbrīt How to pronounce ultrabright (audio)
: extremely or extraordinarily bright
an ultrabright light bulb
ultrabright colors

Examples of ultrabright in a Sentence

Recent Examples on the Web There’s a crazy cool, very white, and very architectural floating spiral staircase, an ultrabright neon-pink hallway leading to a lobby lounge area (shown here), and insane backlit headboards in every room that mimic the aforementioned Baroque portal. Rima Suqi, ELLE Decor, 26 July 2022 With four ultrabright LEDs, the Secca Race can shine up to 2,000 lumens on the trail. Chris Meehan, Popular Mechanics, 5 Jan. 2023 The Sarmocare has an ultrabright beacon of an LED on top of the unit when plugged in, but unlike with the Avari, this can easily be covered with tape. Christopher Null, Wired, 4 Dec. 2020 Seven ultrabright parking-lot lights illuminate the rocky depression, backlit by the glow of floor-to-ceiling windows in a new apartment complex across the street. Alicia Eler, Star Tribune, 12 Nov. 2020 And there are even places to attach ultrabright reverse or work lights. Wes Siler, Outside Online, 17 Apr. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultrabright.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of ultrabright was in 1896

Dictionary Entries Near ultrabright

Cite this Entry

“Ultrabright.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrabright. Accessed 29 May. 2024.

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