Upper Peninsula

American

noun

the peninsula between lakes Superior and Michigan constituting the N part of Michigan. U.P.

Upper Peninsula British

noun

a peninsula in the northern US between Lakes Superior and Michigan, constituting the N part of the state of Michigan

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He grew up on the Upper Peninsula of Michigan, near the Wisconsin border, and has family near Green Bay.

From The Wall Street Journal • Jan. 3, 2026

It will harm those in Arizona who cannot withstand the heat, and it will harm those in Michigan’s Upper Peninsula who cannot stand the cold or snow.

From Slate • Aug. 26, 2025

I’m not talking about a motel in the boonies of the Upper Peninsula of Michigan or a drafty log cabin on a lake in Maine or Minnesota.

From Salon • May 7, 2024

Up to two feet of snow is expected in parts of northern Wisconsin and the Upper Peninsula of Michigan by the end of the day.

From New York Times • Apr. 3, 2024

The great snow-covered lawn of Rose Terrace, the Dodge mansion, boasts a forty-foot Christmas tree trucked in from the Upper Peninsula.

From "Middlesex: A Novel" by Jeffrey Eugenides

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023