chief in size or importance, most important or principal, having the control or direction of something

in the main, make it one's main business, on the main

main course, main line, main squeeze

Formal and Informal Expressions of main

In different contexts, you can replace 'main' with suitable alternatives. In a more formal setting, 'chief, primary, principal' is apt. In informal speech or writing, 'biggest, most important' is a commonplace synonym.

main: Explore its Definition & Usage

main Definition

1chief in size or importance
2most important or principal
3having the control or direction of something

Using main: Examples

Take a moment to familiarize yourself with how "main" can be used in various situations through the following examples!

Example
The main reason for his success is his hard work.
Example
The main entrance to the building is on the left.
Example
She is the main character in the story.
Example
The main goal of the project is to increase sales.

main Synonyms and Antonyms

Synonyms for main

Antonyms for main

Idioms Using main

in the main
generally; mostly
Example
In the main, the project was a success, but there were a few minor issues.
make it one's main business
to make something one's top priority
Example
After he retired, gardening became his main business.
on the main
on the principal route of a railway system
Example
The train from New York to Chicago is on the main.

Phrases with main

main course
the most substantial dish in a meal
Example
For the main course, we had roast beef and potatoes.
main line
the principal route of a railway system
Example
The train from New York to Chicago runs on the main line.
main squeeze
one's most important romantic partner
Example
He's been with his main squeeze for over five years now.

Origins of main

from Old English 'mægen', meaning 'strength, power'

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Summary: main in Brief

The term 'main' [meɪn] refers to something that is chief in size or importance, most important or principal, or having the control or direction of something. It can describe anything from a person to a goal or entrance. Examples include 'The main reason for his success is his hard work.' and 'The main entrance to the building is on the left.' Phrases like 'main course' and idioms like 'in the main' further illustrate its usage.