Martin Luther King Day

noun

Mar·​tin Lu·​ther King Day ˈmär-tᵊn-ˈlü-thər-ˈkiŋ- 

: the third Monday in January observed as a legal holiday in the U.S.

Note: The federal name for this holiday according to the United States Code is Birthday of Martin Luther King, Jr.

Examples of Martin Luther King Day in a Sentence

Recent Examples on the Web

The bond market will be closed on Monday for Martin Luther King Day. — Sawdah Bhaimiya, CNBC, 16 Jan. 2026

Good morning, and welcome to this Martin Luther King Day Monday. — Leah Olajide, Freep.com, 19 Jan. 2026

For 40 years, Martin Luther King Day has been a federal holiday. — Martha Teichner, CBS News, 18 Jan. 2026

Plus, Martin Luther King Day celebrations in Brooklyn and the Golden Festival in Queens. — Karu F. Daniels, New York Daily News, 15 Jan. 2026

Word History

First Known Use

1968, in the meaning defined above

Rhymes for Martin Luther King Day

• euphorbiaceae
• aaa
• alleyway
• alumnae
• anime
• anyway
• arete
• attache
• axillae
• baa
• beaujolais
• bouvier