sennight

noun

sen·night ˈse-ˌnīt

variants or less commonly se'nnight

archaic

: the space of seven nights and days : week

Word History

Etymology

Middle English, from Old English seofon nihta seven nights

First Known Use

15th century, in the meaning defined above

Time Traveler

The first known use of sennight was in the 15th century

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Browse Nearby Words

Sennett's oriole

sennight

sennit

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Cite this Entry

Style

“Sennight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sennight. Accessed 12 Jul. 2025.

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