mensiversary means A day that marks an exact month (or specified number of months) since the occurrence of a significant event. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
mensiversary is pronounced /ˌmɛnsɪˈvɜːs(ə)ɹi/.
noun
- A day that marks an exact month (or specified number of months) since the occurrence of a significant event.“How flourishes the King of Clubs? I always observe its mensiversary in my fancy.”