sudden, abrupt, unexpected

sudden, abrupt, unexpected, improvised, offhand / suddenly serious (said of an illness; most often in the construction にわかになる (niwaka ni naru)) / temporary, makeshift, impermanent, ad hoc

Short for 俄狂言 (niwaka kyōgen, “a farce; an impromptu comic interlude during a Noh play”). / (by extension) any impromptu joke, witticism, or pun

sudden / abrupt / unexpected / instant

rain shower

Alternative spelling of 俄雨

storehouse