out·flank 
/ˌaʊtˈflæŋk/ verb
out·flanks; out·flanked; out·flank·ing /ˌaʊtˈflæŋk/ verb [+ obj] 1 : to move around the side of (something, such as an opposing force) to attack from behind
▪ The army outflanked the enemy. 2 : to gain an advantage over (someone or something)
▪ trying to outflank the competition
▪ The army outflanked the enemy.
▪ trying to outflank the competition
