- continuously or unceasingly vicious and destructive: cat-and-dog competition.
- Slang. (of a security) highly speculative and of questionable value.
Origin of cat-and-dog
First recorded in 1570–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cat-and-dog
Never such a cat-and-dog life as they've been leading ever since!Tess of the d'Urbervilles
But ever since the znaharka's blessing had been accorded to this particular union the pair had led a cat-and-dog life.The Romance of the Woods
F. J. Whishaw
They smiled and were gracious, called each other Butterwell and Crosbie, and abstained from all cat-and-dog absurdities.The Last Chronicle of Barset
Consternation versus Hilarity went racing suddenly like a cat-and-dog combat across his eyes.Peace on Earth, Good-will to Dogs
Eleanor Hallowell Abbott
We lived a cat-and-dog existence, and parted with mutual recriminations, since when I have not seen her!The Imaginary Marriage
Henry St. John Cooper