крепость означает в английский

citadel▼(a strong fortress that sits high above a city)
noun
[UK: ˈsɪ.tə.dəl] [US: ˈsɪ.tə.ˌdel]

fastness [fastnesses]▼(fortified or secure place, see also: fortress; stronghold)
noun
[UK: ˈfɑːst.nəs] [US: ˈfæst.nəs]

fortress [fortresses]▼(fortified place)
noun
[UK: ˈfɔː.trɪs] [US: ˈfɔːr.trəs]

rook [rooks]▼(fortification)
noun
[UK: rʊk] [US: ˈrʊk]

stoutness▼(a state or quality of being stout)
noun
[UK: ˈstaʊt.nəs] [US: ˈstaʊt.nəs]

stronghold▼(place built to withstand attack)
noun
[UK: ˈstrɒŋ.həʊld] [US: ˈstrɒŋhoʊld]