Memorial Day

noun

1
: May 30 formerly observed as a legal holiday in most states of the U.S. in remembrance of war dead
2
: the last Monday in May observed as a legal holiday in most states of the U.S.
3

Examples of Memorial Day in a Sentence

Recent Examples on the Web
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The work at the track, meanwhile, was completed by Memorial Day. — Abe Streep, ProPublica, 21 Oct. 2026 The road closes for the season every fall due to snow and ice and typically reopens on or around Memorial Day. — Jennifer McRae, CBS News, 13 Oct. 2026 They were joined by about 50 guests for the Memorial Day weekend festivities. — Madeleine Marr, Miami Herald, 18 Sep. 2026 The meeting was scheduled for the day after Memorial Day, after the end of the Colorado district’s 2022-23 school year. — Beth Hawkins, Denver Post, 15 Sep. 2026 See All Example Sentences for Memorial Day

Word History

First Known Use

1868, in the meaning defined at sense 1

Time Traveler
The first known use of Memorial Day was in 1868

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Cite this Entry

“Memorial Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Memorial%20Day. Accessed 26 Oct. 2026.

Kids Definition

Memorial Day

noun
1
: May 30 once observed as a legal holiday in honor of those who died in war
2
: the last Monday in May observed as a legal holiday in most states of the U.S.

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