light (up)

Definition of light (up)next
See the Dictionary Definition 

Example Sentences

Recent Examples of Synonyms for light (up)
glow
Verb
  • However, in the wild, the algae are the ocean’s introverts, and only glow when they are bothered, like jolted by a crashing wave or the hull of a passing boat.
    Mrigakshi Dixit, Interesting Engineering, 7 May 2026
  • There’s an amulet (one of those glowing doohickeys the fate of the cosmos hangs on), and your heart may sink every time someone starts chattering about it.
    Owen Gleiberman, Variety, 6 May 2026
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.

Browse Nearby Words

Cite this Entry

“Light (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/light%20%28up%29. Accessed 12 May. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster