SOLEMNIZE Meaning of SOLEMNIZE in English sol ‧ em ‧ nize BrE AmE ( also solemnise British English ) /ˈsɒləmnaɪz $ ˈsɑː-/ verb solemnize a marriage formal to perform a wedding ceremony in a church Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012