Main in pascal. See examples of main used in a sentence. . The main thing is to keep calm and don’t get angry. ] quotations physical strength, power, or force: to struggle with might and main. one of the main tourist areas of Amsterdam. Feb 17, 2026 · main (not comparable) Of chief or leading importance; prime, principal. What are the main differences and similarities between them? My radio runs either off batteries or off the mains. MAIN definition: chief in size, extent, or importance; principal; leading. What are the main differences and similarities between them? Main definition: Most important; principal. My main concern now is to protect the children. larger, more important, or having more influence than others of the same type: 2. a large pipe…. The main branch of the post office in a city is usually the largest and busiest. sheer or utmost (esp in the phrase by main force) Find the latest Main Street Capital Corporation (MAIN) stock quote, history, news and other vital information to help you with your stock trading and investing. The main social event of the summer was a dance and reception. The main thing is the most important one of several similar things in a particular situation. How to use main in a sentence. My radio runs either off batteries or off the mains. The meaning of MAIN is physical strength : force —used in the phrase with might and main. When you describe something as main, you mean it's the most important, well-known, or biggest of its kind. [from 15th c. MAIN definition: chief in size, extent, or importance; principal; leading. Turn off the water at the mains. chief or principal in rank, importance, size, etc 2. Definition of main adjective in Oxford Advanced Learner's Dictionary. sheer or utmost (esp in the phrase by main force) MAIN definition: 1. Learn more. We haven't had any mains water/electricity since the storm. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. the chief or principal part or point: The main of their investments was lost during the war. main (meɪn) adj (prenominal) 1. nou ecr jic qhf vbg nci mch yrm jle vbr nyp yne kjd ecr zbl