'outflank' definitions:

Definition of 'outflank'

From: WordNet
verb
Go around the flank of (an opposing army) [syn: outflank, go around]
verb
Get the better of; "the goal was to best the competition" [syn: outdo, outflank, trump, best, scoop]

Synonyms of 'outflank'

From: Moby Thesaurus