# frontier

> English word · Noun · IPA /ˈfɹʌntɪə/ · frequency rank #7,449

## Definitions
1. The part of a country which borders or faces another country or unsettled region.
2. The most advanced or recent version of something; the leading edge.
3. An outwork of a fortification.

## Etymology
From Middle English frounter, from Old French fronter (whence Modern French frontière), from front.

## Easily confused with
- **fronting** (https://plainspell.com/en/vs/frontier-vs-fronting)
- **fronted** (https://plainspell.com/en/vs/fronted-vs-frontier)

## Common misspellings (12)
`ffrontier`, `forntier`, `frnotier`, `froniter`, `fronntier`, `fronteir`, `frontierr`, `frontire`, `fronttier`, `frotnier`, `frrontier`, `rfontier`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/frontier