main

Definition

The most important, largest, or central person, thing, or part in a group or situation. It is often used to describe what matters most or what comes first.

Usage & Nuances

Very common in everyday and formal English. Often appears before a noun: 'main reason', 'main road', 'main character'. Do not confuse it with 'primary', which is often more formal, or 'major', which can mean important but not necessarily the most important.

Example Sentences