building / office building

A transliteration of the English male given name Bill

clipping of ビルディング (birudingu, “(non-residential) building”).

a terminal (airport building)

multipurpose building (such as one used simultaneously for commence and for living)

abandoned building

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all