(science fiction) Synonym of タイムトラベル (taimu toraberu, “time travel”)

safety net, security net

safety, security

safety razor

Synonym of シートベルト (shīto beruto, “seat belt”); a safety belt

(euphemistic) security camera

(mahjong) a tile that one can safely discard, as it cannot become an opponent's advantage / (slang, by extension) a safe choice

(government, military, economics, diplomacy) security

curator (administrator of a collection)

a citizen chosen to serve as a judge for a single case alongside professional judges and other citizen judges