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 enlighten

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.
And audiences clap to show their appreciation for the effort made to entertain, educate or enlighten us. Judith Martin, Mercury News, 1 June 2026 Many will wish to get their foothold in Ljubljana, the capital city that’s home to enlightening museums, serene parks, and 15 restaurants singled out by the Michelin Guide. Condé Nast Traveler, 22 May 2026 Anti-Semitism has reappeared, in varying forms, in almost every diasporic society where Jews have flourished over the past two millennia, including societies that once seemed secure, enlightened, and permanent. Michael W. Sonnenfeldt, The Atlantic, 20 May 2026 Ambiguity clouds the conversation and risks leaving your protégé more confused than enlightened. Chip Bell, Forbes.com, 15 May 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 Jul. 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

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