frontier

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.

That frontier between light and darkness is known as the terminator.

From BBC • Apr. 3, 2026

Still, he was eager to explore a fresh frontier.

From Los Angeles Times • Apr. 1, 2026

North Korea's abrupt border closure in 2020 stranded many of them abroad for years, and Pyongyang later beefed up defences along the frontier to dissuade illegal crossings.

From Barron's • Mar. 29, 2026

Kimi K2.5 ranks among the top-tier models on AI benchmark Artificial Analysis, though it still trails leading Western frontier models such as Anthropic’s Claude Opus 4.6 Max.

From The Wall Street Journal • Mar. 27, 2026

When it was finished, when the pause had been politely respected as the frontier of the story, Billy Buck stood up and stretched and hitched his trousers.

From "The Red Pony" by John Steinbeck