Crossword clues for What 39-Across means:MAGNIFICENTWhat 39-Across meansDISCOMBOBULATEDFlustered ... even though 39-Across doesn't mean poisedBADLANDSNational park in South Dakota ... or, parsed differently, a hint to the meanings and initials of 17-, 24-, 39- and 51-Across