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.

---

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)

---

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.

---

Other Word Forms

Derived Forms

• Idahoan
  adjective

Example Sentences

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

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

From The Wall Street Journal • May 26, 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

Micron is spending $150 billion to build or expand fabs in New York, Idaho and Virginia, and new Korean fabs are opening.

From The Wall Street Journal • May 17, 2026

I purchased a ticket to Idaho for Christmas.

From "Educated" by Tara Westover