Outside stronghold Synonyms

Outside replaced

last stronghold

alien stronghold

Definitions for Outside

(adjective) situated on the outside or farther out
(adjective) small in degree
(adjective) of the greatest or highest degree or quantity

OS abbreviation

OS is an abbreviation for Outside Stronghold

What does OS stand for?

OS stands for "Outside Stronghold"

Stronghold replaced

outside support

outside cover

outside protection

Definitions for Stronghold

(noun) a structure or place from which one can resist attack
(noun) a strongly fortified defensive structure