To pass 1 to change from one state or condition to another 2 to cross; to leave behind or on one side(as with a border 3 to go unnoticed; to fit in 4) to be accepted as or taken for His Chinese is so good that he could pass for a native of China; her color is so dark she could pass for BlackTo pass • 1) to change from one state or condition to another • 2) to cross; to leave behind or on one side (as with a border) • 3) to go unnoticed; to fit in • 4) to be accepted as or taken for: His Chinese is so good that he could pass for a native of China; her color is so dark she could pass for Black