Home › Words › W › weekiversaryweekiversary/ˌwiːkɪˈvɜː(ɹ)səɹi/weekiversary means A commemorative event like an anniversary, but taking place weekly rather than annually.weekiversary is pronounced /ˌwiːkɪˈvɜː(ɹ)səɹi/.EtymologyBlend of week + anniversary.nounA commemorative event like an anniversary, but taking place weekly rather than annually.Definitions & examples from Wiktionary (CC BY-SA 3.0).