noun
ADJECTIVE
▪ great
▪ impenetrable , impregnable , strong
▪ grim
▪ stone
VERB + FORTRESS
▪ attack , besiege , lay siege to
▪ take
▪
Greek warriors took the ~ with little effort.
▪ hold , occupy
▪ build
FORTRESS + VERB
▪ fall
▪
The ~ fell after a nine-day siege.
FORTRESS + NOUN
▪ city , town
▪ walls
PREPOSITION
▪ in a/the ~
▪
They took refuge in the ~.