Meaning in Plain English
“It’s raining cats and dogs” means that it is raining extremely heavily. The cats and dogs are not literal; the absurd image emphasizes the force and volume of the downpour.
Take an umbrella—it’s raining cats and dogs outside.
It rained cats and dogs during the match, so the field flooded.
We waited in the station until it stopped raining cats and dogs.
The expression describes a hard, sustained rain rather than a light shower. It is informal and deliberately vivid. In a weather report, heavy rain or torrential rain is clearer; in conversation, the idiom adds color.
How to Use the Idiom
The usual form follows the English weather construction it is raining: It’s raining cats and dogs.
In the past tense, say It was raining cats and dogs
or It rained cats and dogs all afternoon.
The phrase can sound playful or old-fashioned, depending on the setting. It works best when the rain is genuinely intense. For moderate rain, pouring, coming down hard, or simply raining heavily may sound more natural.
Related expressions include bucketing down, coming down in sheets, and the heavens opened. Their use varies by region, but all convey much more than a drizzle.
The Earliest Written Evidence
The exact origin is unknown. The Library of Congress overview points to seventeenth-century English examples in which dogs, cats, or polecats are imagined falling in a shower. Henry Vaughan used a related word order in 1651, and Richard Brome used dogs and polecats in 1652. These examples show that the animal-rain image existed before the wording settled into its modern form.
Jonathan Swift helped make the expression familiar in the early eighteenth century. His 1710 poem A Description of a City Shower described debris and dead animals carried through flooded streets, while his 1738 collection used wording close to the phrase people recognize now. A concise account of Swift’s place in the record appears in HistoryExtra’s phrase history.
This evidence establishes a printed trail, but it does not identify one inventor. Idioms often circulate in speech before anyone records them, and the surviving text does not explain why these two household animals became the lasting pair.
Popular Origin Stories—and Their Limits
Several explanations are repeated online, but none has displaced the simpler conclusion that the phrase’s origin remains uncertain:
- Animals on thatched roofs: A popular story says cats and dogs sheltered in roofs and fell through during storms. It is memorable, but the known written record does not prove that this created the idiom.
- Flooded city streets: Swift’s description makes this theory plausible as later reinforcement. It may explain why the image made sense to eighteenth-century readers, but it does not account for the earlier 1651 and 1652 examples by itself.
- Greek or Latin wordplay: Proposed links to Greek kata doxa are based mainly on similar sound, not a documented chain of borrowing into the English phrase.
- Mythology and storm animals: Stories involving Odin, dogs, wolves, witches, and cats create a striking narrative, but they lack direct evidence connecting those traditions to the English wording.
- Catadupe, meaning waterfall: The resemblance has prompted speculation, yet resemblance alone is not an etymology.
ClickOrlando’s survey collects several of these theories. They are useful as examples of how folk etymologies grow, but they should be presented as possibilities rather than settled history.
Why the Phrase Lasted
The expression survives because it is short, rhythmic, and easy to picture. The contrast between ordinary weather and impossible falling animals creates instant exaggeration. A listener does not need to know the history to understand that the speaker means a serious downpour.
Other languages use their own unexpected objects or animals for intense rain. A comparison such as Wikipedia’s cross-language overview can be a starting point for exploring those parallels, though each expression has its own history and should not be treated as a direct translation of the English idiom.
Frequently Asked Questions
Does “raining cats and dogs” mean dangerous weather?
Not necessarily. It means very heavy rain, but it does not by itself specify wind, lightning, flooding, or an official severe-weather warning. For safety decisions, use the actual forecast and alerts.
Is the expression still used?
Yes. It remains widely understood, although speakers may choose shorter alternatives such as pouring in everyday conversation.
Did cats and dogs really fall from roofs?
There is no solid evidence that roof-dwelling animals created the phrase. That explanation is best treated as folklore.
Who coined the phrase?
No single coiner is known. Seventeenth-century texts preserve related forms, and Jonathan Swift later helped popularize the imagery.
Sources and Further Reading
- Library of Congress: “What Is the Origin of the Phrase ‘It’s Raining Cats and Dogs’?” — early examples and the uncertainty surrounding the origin.
- HistoryExtra: “Why Do We Say ‘Raining Cats and Dogs’?” — literary history and Jonathan Swift’s role.
- ClickOrlando: origin-theory overview — a survey of commonly repeated explanations.
- Wikipedia: “Raining Cats and Dogs” — a general overview and cross-language comparisons.
- PBS LearningMedia: “It’s Raining Cats and Dogs” — an educational introduction to meaning and history.
