prefixing element in kanji compounds, adding a meaning of later, after, following, rearward

subsequently, afterwards

(後 "spatially behind") to depart from; to leave / (後 "temporally later") to put off something, to be dealt with later

reaffirmation, reconfirmation

reaffirm, reconfirm

that which is not yet verified, something unidentified

everything

(colloquial) current boyfriend

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

everyone, one and all