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Definition of boise
boise
/ˈbɔɪ.si/
Boi · se
boise Lexical Profile
CEFR
B2
Grade
4
Tier
2
Usage
Top 10k
• noun
1
American The capital and most populous city of the U.S. state of Idaho, located on the Boise River in the southwestern part of the state.
Word Nuance & Usage
Locals traditionally pronounce the city's name with an unvoiced 's' sound ('BOY-see') rather than the voiced 'z' sound ('BOY-zee') commonly used by non-locals.
• Rhymes for boise
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Boise. In Wordmom Dictionary. Retrieved Oct 18, 2026, from https://wordmom.com/dictionary/boise