It's raining cats and dogs

US /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/

UK /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/

1.

raining very heavily

:

•

I can't go out now, it's raining cats and dogs!

•

We had to cancel the picnic because it was raining cats and dogs.

:

raining heavily pouring down bucketing down chucking it down lashing down

:

fight like cats and dogs cat dog rain dog-eat-dog leopard cat marbled cat