cad

plural cads

1. A low-bred, presuming person; a mean, vulgar fellow, especially one that cannot be trusted with a lady.

   I make him sound like a cad, but he’s not. Early on, when I fell seriously ill, he cared for me devotedly. He’s witty, sweet, a great cook and easy on the eyes.

   2025 February 28, Laura Esther Wolfson, “Rules for Staying Close to Exes”, in The New York Times, →ISSN

   1 more example

   The most rapid and most seductive transition in all human nature is that which attends the palliation of a ravenous appetite.[…]Can those harmless but refined fellow-diners be the selfish cads whose gluttony and personal appearance so raised your contemptuous wrath on your arrival?

   1921, Ben Travers, chapter 5, in A Cuckoo in the Nest, Garden City, N.Y.: Doubleday, Page & Company, published 1925, →OCLC

   Synonyms: villain, dog, rascal, bounder

2. archaicA person who stands at the door of an omnibus to open and shut it, and to receive fares; a bus conductor.

   I’ve fallen asleep on my step as the ’bus was going on, and almost fallen off. I have often to put up with insolence from vulgar fellows, who think it fun to chaff a cad, as they call it.

   1851, Henry Mayhew, London Labour and the London Poor, published 1861

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   We will back the machine in which we make our daily peregrination from the top of Oxford-street to the city, against any buss on the road, whether it be for the gaudiness of its exterior, the perfect simplicity of its interior, or the native coolness of its cad.

   c. 1835, Charles Dickens, "Omnibuses" (in Sketches by Boz)

3. IrelandUKobsoleteslangAn idle hanger-on about innyards.

present singular third person cads · participle present cadding · participle past cadded · past cadded

1. Cumbriaobsoleteto mat or felt together

plural cads

1. A caddis (caddisfly larva).

plural CADs

1. abbreviationacronymcountableuncountablecomputingAcronym of computer-aided design.

   I'll wager a Dogic that before TwistyPuzzles.com turns 10 we'll be posting 3D CAD files that we can individually upload to FedExKinkos.com to have fabricated and have the resulting puzzle overnighted to us by 8am the next day.

   2004 September 17, Joshua Bell, “Archived copy”, in TwistyPuzzles.com, archived from the original on 28 Aug 2025

2. abbreviationcountableinitialismuncountablecomputingInitialism of computer-aided drafting.
3. abbreviationcountableinitialismuncountablecomputingInitialism of control alt delete.
4. abbreviationcountableinitialismuncountableimport/exportInitialism of cash against documents, an arrangement where the purchaser must pay the total price in cash in order to get shipping papers from the seller or (usually) a third party.
5. abbreviationcountableinitialismuncountablecardiologyInitialism of coronary artery disease.

   Synonyms: CHD, coronary heart disease, IHD, w:ischemic heart disease

6. abbreviationcountableinitialismuncountablemedicineInitialism of computer-aided diagnosis.

   1 more example

   2017, Sunjoo Bang et al, "Quad-phased data mining modeling for dementia diagnosis" in BMC Medical Informatics and Decision Making, 17(Supp1):60, at Abstract>Background. Therefore, there are various researches to improve a dementia diagnosis process in the field of computer-aided diagnosis (CAD) technology.

7. abbreviationcountableinitialismuncountablemedicineInitialism of cold agglutinin disease.
8. abbreviationcountableinitialismuncountablepublic safetyInitialism of computer-aided dispatch.
9. abbreviationcountableinitialismuncountablebiochemistryInitialism of caspase-activated DNase.