Idaho

American  

[ahy-duh-hoh] / ˈaɪ dəˌhoʊ /

noun

1. a state in the northwestern United States. 83,557 sq. mi. (216,415 sq. km). Boise. ID (for use with zip code), Id., Ida.

2. a variety of potato, a russet Burbank grown in Idaho.

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Idaho British  

/ ˈaɪdəˌhəʊ /

noun

1. Abbreviation: Id..   Ida..   ID.  a state of the northwestern US: consists chiefly of ranges of the Rocky Mountains, with the Snake River basin in the south; important for agriculture ( Idaho potatoes ), livestock, and silver-mining. Capital: Boise. Pop: 1 366 332 (2003 est). Area: 216 413 sq km (83 557 sq miles)

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Idaho Cultural  

1. State in the Rocky Mountains bordered by British Columbia, Canada, to the north; Montana and Wyoming to the east; Utah and Nevada to the south; and Oregon and Washington to the west. Its capital and largest city is Boise.

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Other Word Forms

Derived Forms

• Idahoan
  adjective

Example Sentences

The latest bonanza surrounds a historic silver mine in Idaho that hasn’t been fully operational for a quarter century.

From The Wall Street Journal • Jun. 4, 2026

As a result, its structure varies across the region, and the lithosphere becomes progressively thinner toward Idaho and Utah.

From Science Daily • Jun. 3, 2026

Meanwhile, progress continues on Aurora, the company’s first commercial nuclear facility, which is set to be constructed at the Idaho National Laboratory.

From Barron's • May 26, 2026

The business, founded in 1978 with startup funding from wealthy Idaho potato farmers like J.R.

From The Wall Street Journal • May 26, 2026

The bulletin board was crammed with the announcements and activities of groups that didn’t exist anywhere near Caldwell, Idaho.

From "Geeks: How Two Lost Boys Rode the Internet Out of Idaho" by Jon Katz