Crossword clues for Single-file 7 letters:LINEDUPSingle-fileANTSSingle-file marchersANTSSingle-file travelers, at timesQUEUESingle-file lineONEBYONESingle-fileINAROWLined up single-fileLINESingle-file formationSNAKEDANCESingle-file paradeINAROWSingle-fileCONGASingle-file dance