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

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

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

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.

Definition of main adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Main definition: Most important; principal.

main, n.¹ meanings, etymology, pronunciation and more in the Oxford English Dictionary

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

My radio runs either off batteries or off the mains. We haven't had any mains water/electricity since the storm. Turn off the water at the mains.