close
Dictionary.com
Thesaurus.com

Ohio

American  
[oh-hahy-oh] / oʊˈhaɪ oʊ /

noun

  1. a state in the northeastern central United States: a part of the Midwest. 41,222 sq. mi. (106,765 sq. km). Columbus. OH (for use with zip code), O.

  2. a river formed by the confluence of the Allegheny and Monongahela rivers, flowing southwest from Pittsburgh, Pa., to the Mississippi in southern Illinois. 981 miles (1,580 km) long.

Ohio British  
/ əʊˈhaɪəʊ /

noun

  1. Abbreviation and zip code: OH.  a state of the central US, in the Midwest on Lake Erie: consists of prairies in the W and the Allegheny plateau in the E, the Ohio River forming the S and most of the E borders. Capital: Columbus. Pop: 11 435 798 (2003 est). Area: 107 044 sq km (41 330 sq miles)

  2. a river in the eastern US, formed by the confluence of the Allegheny and Monongahela Rivers at Pittsburgh: flows generally W and SW to join the Mississippi at Cairo, Illinois, as its chief E tributary. Length: 1570 km (975 miles)

"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
Ohio Cultural  

  1. State in the northern United States bordered by Michigan and Lake Erie to the north, Pennsylvania and West Virginia to the east, West Virginia and Kentucky to the south, and Indiana to the west. Its capital is Columbus, and its largest city is Cleveland.

Other Word Forms

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.

Lee Carr is a writer in Independence, Ohio.

From The Wall Street Journal • May 11, 2026

Michigan and Ohio drivers saw sharp price drops, while the Hoosier State “experienced even steeper relief after the state temporarily waived both its excise and use taxes on gasoline.”

From MarketWatch • May 11, 2026

“We are definitely in a bubble,” said Tom Hagedorn, who lives in Ohio.

From The Wall Street Journal • May 8, 2026

Born in Cincinnati, Ohio in November 1938, Robert Edward "Ted" Turner III went to a military boarding school in Tennessee, and then attended Brown University, but was expelled before graduating.

From Barron's • May 6, 2026

As our train chugged along through Indiana and across Ohio, the sunshine smiling down upon us, I couldn’t stop the butterflies from batting around in my stomach.

From "The Detective's Assistant" by Kate Hannigan

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.