4SR Full Form. Full Meaning of 4SR Find long form and abbreviation, slang or definition of 4SR. What does 4SR mean? What does 4SR stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.