To a complete degree or to the full or entire extent ('whole' is often used informally for 'wholly'). Synonyms: all, altogether, entirely, totally, whole, wholly. "Entirely satisfied with the meal" , "It was completely different from what we expected" , "Was completely at fault" , "A totally new situation" , "The directions were all wrong" , "It was not altogether her fault" , "An altogether new approach" , "A whole new idea"