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Use "frightfully" in a sentence
"She, too, was in debt; "frightfully," her husband had used the right word;"
"Their outlook towards a venomous German attempt to do something "frightfully" nasty, is very similar to a large and powerful nurse dealing with a fractious child -- sort of: "Now, then, Master Frankie, you mustn't kick and scream like that.""
"Lots of them, of course, were frightfully swell (Betty annexed "frightfully" at school, by the by) and had all sorts of clothes; but Betty was perfectly content with her modest outfit, and none of the other girls seemed to mind how she dressed."