foe has definitions from the fields of military,games
1
[ noun ] (military) an armed adversary (especially a member of an opposing military force)

Examples

"a soldier must be prepared to kill his enemies"

2
[ noun ] (games) a personal enemy

Synonyms

enemy

Examples

"they had been political foes for years"

Used in print

(Bell I. Wiley, "Home Letters of Johnny Reb and Billy...)

In a similar vein , but writing from the opposite side , Thomas_Taylor , a private in the 6_th Alabama_Volunteers , in a letter to his wife , stated : `` You know that my heart is with you but I never could have been satisfied to have staid at home when my country is invaded by a thievin foe By a set of cowardly Skunks whose Motto is Booty .

Related terms

ally rival mortal_enemy

*