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

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

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 …

The main thing is to keep calm and don’t get angry. The main social event of the summer was a dance and reception.

Main definition: Most important; principal.

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.

Synonyms for MAIN: primary, greatest, predominant, highest, dominant, foremost, big, first; Antonyms of MAIN: last, least, minor, secondary, slight, unimportant, trivial, insignificant

Core & Main is a leading specialized distributor of water, wastewater, storm drainage and fire protection products, and related services in the United States.”

Dec 14, 2025 · main (not comparable) Of chief or leading importance; prime, principal. [from 15th c.] quotations

MAIN definition: chief in size, extent, or importance; principal; leading. See examples of main used in a sentence.