Source : WordNet®

gustiest
     See {gusty}

gusty
     adj : blowing in loud and abrupt bursts; "blustering (or
           blusterous) winds of Patagonia"; "a cold blustery day";
           "a gusty storm with strong sudden rushes of wind" [syn:
            {blustering(a)}, {blusterous}, {blustery}]
     [also: {gustiest}, {gustier}]