What do you want to learn?

Search 491,841+ words, phrases & grammar rules

📖
Featured Word A1

frontier (noun)

A frontier is a border between two countries. It is also the edge of a land where people have just started to live and build.

💬 Example

"This is an example with frontier."

💡 Memory Tip

FRONTier: The FRONT line of a counTRY.

🏛️ Origin

🔗 Synonyms
border boundary edge limit periphery
⚠️ Common Mistakes

Using 'frontier' for small, personal boundaries.

Saying 'the frontier of the room' instead of 'the threshold.'

Learn More