hexakosioihexekontahexaphobia /hɛk.səˌkəʊ.si.ɔɪ.hɛkˌsɛ.kən.təˌhɛk.səˈfəʊ.bi.ə/ noun1 •An irrational fear of the number 666.You'll see “lucky” 666 in many shop windows across China, which may come as a shock to believers in the Beast and those with hexakosioihexekontahexaphobia. — 2008