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lighttight

adjective

light·​tight ˈlīt-ˌtīt How to pronounce lighttight (audio)
: lightproof

Word History

First Known Use

1856, in the meaning defined above

Time Traveler
The first known use of lighttight was in 1856

Rhymes for lighttight

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Browse Nearby Words

light the way
lighttight
light-time
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Cite this Entry

“Lighttight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighttight. Accessed 28 Nov. 2025.

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