Definitions for outflankˌaʊtˈflæŋk
Random House Webster's College Dictionary
to go or extend beyond the flank of (an enemy force).
Origin of outflank:
outflank, go around(verb)
go around the flank of (an opposing army)
outdo, outflank, trump, best, scoop(verb)
get the better of
"the goal was to best the competition"
To maneuver around and behind the flank of (an opposing force).
To gain a tactical advantage over (a competitor, for example).