week

noun

1
a
: any of a series of 7-day cycles used in various calendars
especially : a 7-day cycle beginning on Sunday and ending on Saturday
b(1)
: a week beginning with a specified day or containing a specified holiday
the week of the 18th
(2)
: a week appointed for public recognition of some cause
2
a
: any seven consecutive days
b
: a series of regular working, business, or school days during each 7-day period
3
British : a time seven days before or after a specified day
last Sunday week

Examples of week in a Sentence

the last week of the month I can meet you sometime next week. The menu changes each week. You can never be sure what will happen from one week to the next. The menu changes from week to week. The baby is two weeks old. I'll be on vacation for two weeks starting this Tuesday. That car rents for $200 a week. I arrived a week ago. It took him two weeks to paint the house.
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.
About 93% of 35,000 villages, towns and cities selected their mayors in the first round last week, with mostly one or two candidates, not associated with any party, competing. Arkansas Online, 23 Mar. 2026 The president then urged Senate Republicans to combine all of those bills and amendments into one piece of legislation, eliminate the filibuster, and skip their two-week Easter recess, due to start at the end of this week, if needed to pass it. Zach Lachance, The Washington Examiner, 23 Mar. 2026 Booker’s previous high was 31, set just a few weeks ago against Mississippi in the Southeastern Conference tournament. Jim Vertuno, Chicago Tribune, 23 Mar. 2026 Ronnie Moyers heard the bird hammering in the woods one morning in late February, several weeks before the species usually shows up in Virginia’s western highlands. Sarah Kaplan, Washington Post, 23 Mar. 2026 See All Example Sentences for week

Word History

Etymology

Middle English weke, from Old English wicu, wucu; akin to Old High German wehha week and perhaps to Latin vicis change, alternation, Old High German wehsal exchange

First Known Use

before the 12th century, in the meaning defined at sense 1a

Time Traveler
The first known use of week was before the 12th century

Cite this Entry

“Week.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/week. Accessed 26 Mar. 2026.

Kids Definition

week

noun
1
a
: seven days in a row
was sick for a week
b
: a period of seven days beginning with Sunday and ending with Saturday
the last week of the month
2
: the working or school days of the calendar week

More from Merriam-Webster on week

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster