enlighten

verb

en·​light·​en in-ˈlī-tᵊn How to pronounce enlighten (audio)
en-
enlightened; enlightening in-ˈlīt-niŋ How to pronounce enlighten (audio)
-ˈlī-tᵊn-iŋ
en-
Synonyms of enlightennext

transitive verb

1
a
: to furnish knowledge to : instruct
enlightened us about the problem
b
: to give spiritual insight to
2
archaic : illuminate

Examples of enlighten in a Sentence

I don't understand what's going on; can someone please enlighten me? the lecturer at the planetarium enlightened us about the latest astronomical discoveries
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.
One of the enlightened, somebody named Mike Freiberg, a DFL representative out Golden Valley way, had the audacity to author a bill that would reduce by 10 percent the aid sent by the state to any city that does not the fly the enlightened flag. Joe Soucheray, Twin Cities, 2 May 2026 The intention of Guay and his small circle of advisers appears to have been to obscure, not enlighten. Kevin Rennie, Hartford Courant, 2 May 2026 From the scholarly and enlightened to the tough and intimidating, people of all walks of life and cultural backgrounds love a good, thick face of hair. Bestreviews, Mercury News, 29 Apr. 2026 But Taraborrelli believes that revisiting a moment in time when Jackson and his music became a cultural phenomenon, as well as enlightening new generations to his otherworldliness as an entertainer, should be a reason for unity. Melissa Ruggieri, USA Today, 25 Apr. 2026 See All Example Sentences for enlighten

Word History

First Known Use

14th century, in the meaning defined at sense 1b

Time Traveler
The first known use of enlighten was in the 14th century

Browse Nearby Words

Cite this Entry

“Enlighten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enlighten. Accessed 5 May. 2026.

Kids Definition

enlighten

verb
en·​light·​en in-ˈlīt-ᵊn How to pronounce enlighten (audio)
enlightened; enlightening -ˈlīt-niŋ How to pronounce enlighten (audio)
-ᵊn-iŋ
: to give knowledge or understanding to : instruct
enlightened us about the problem
enlightenment
-ᵊn-mənt
noun

More from Merriam-Webster on enlighten

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