The meaning of MAIN is physical strength : force —used in the phrase with might and main. How to use main in a sentence.

The main thing is the most important one of several similar things in a particular situation. ...one of the main tourist areas of Amsterdam. My main concern now is to protect the children. What are the main …

MAIN meaning: 1. larger, more important, or having more influence than others of the same type: 2. a large pipe…. Learn more.

main (meɪn) adj (prenominal) 1. chief or principal in rank, importance, size, etc 2. sheer or utmost (esp in the phrase by main force)

physical strength, power, or force: to struggle with might and main. the chief or principal part or point: The main of their investments was lost during the war.

Main definition: Most important; principal.

Mar 23, 2026 · main (not comparable) Of chief or leading importance; prime, principal. [from 15th c.] quotations

Main refers to the primary or most important aspect or part of something. It signifies the central or principal focus, significance, or purpose of a subject or object.

When you describe something as main, you mean it's the most important, well-known, or biggest of its kind. The main branch of the post office in a city is usually the largest and busiest.

main meaning, definition, what is main: larger or more important than all other ...: Learn more.