unconventional warfare
noun
warfare that is conducted within enemy lines through guerrilla tactics or subversion, usually supported at least in part by external forces.
Words nearby unconventional warfare
uncontested,
uncontrollable,
uncontrolled,
uncontroversial,
unconventional,
unconventional warfare,
unconventionality,
unconverted,
unconvinced,
unconvincing,
uncooked