HOLIER-THAN-THOU Meaning of HOLIER-THAN-THOU in English holier-than-thou BrE AmE ˌhəʊl i‿ə ð ə n ˈðaʊ ◂ AmE \ ˌhoʊl i‿ ə r- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012