rainy 
/ˈreɪni/ adjective
rain·i·er; rain·i·est /ˈreɪni/ adjective [also more rainy; most rainy] : having a lot of rain
▪ It's been rainy all day today. [=rain has been falling all day] ▪ rainy weather
▪ It's been rainy all day today. [=rain has been falling all day] ▪ rainy weather
for a rainy day
informal : for a time in the future when something will be needed
▪ He set a little money aside for a rainy day. [=he saved a little money so that he would have it if he needed it in the future] ▪ I have some money that I'm saving for a rainy day.
▪ He set a little money aside for a rainy day. [=he saved a little money so that he would have it if he needed it in the future] ▪ I have some money that I'm saving for a rainy day.
