五月雨さみだれ式しきさみだれしきMeanings1nounintermittently; off and on; in fits and startsDescribes something that happens repeatedly over a drawn-out period, like early summer rain that comes and goes. Often used adverbially as 五月雨式に.See also: 五月雨彼かれからの返へん事じは五月雨