What does the English idiom "like cats and dogs" mean?

What does the English idiom "like cats and dogs" mean? - briefly

The English idiom "like cats and dogs" means it is raining very heavily. This expression vividly describes torrential rain by comparing its intensity to the unpredictable nature of cats and dogs.

What does the English idiom "like cats and dogs" mean? - in detail

The English idiom "like cats and dogs" is a vivid expression used to describe heavy rainfall or downpour. This phrase conjures up an image of animals, specifically cats and dogs, running around in the pouring rain, highlighting the intensity and volume of the precipitation. The term has been in use since at least the 18th century, showcasing its enduring relevance in English language and culture. While the exact origin of this idiom is unclear, it is believed to have emerged from everyday observations of animal behavior during storms, reflecting a common experience that resonates with many people.