Also found in: Encyclopedia, Wikipedia.


1. Trash, debris, or other unwanted matter that accumulates over time.
2. Unnecessary digital information that accumulates over time, such as unneeded files or obsolete lines of code in software: "By removing cruft, you can recover valuable disk space ... and reduce the chance of software conflicts" (Joe Kissell).

[Originally 1950s Massachusetts Institute of Technology students' slang, perhaps after Cruft Hall (the informal name for Cruft Laboratory, a building on the campus of Harvard University in Cambridge, Massachusetts, where the physics department stored unused technical equipment), humorously taken as "hall of cruft" (perhaps influenced by crud and crust).]

cruft′y adj.


(Biography) Charles. 1852–1938, British dog breeder, who organized the first (1886) of the annual dog shows known as Cruft's
References in periodicals archive ?
The show is named after founder Charles Cruft, a former travelling salesman.
The show was founded by Charles Cruft, who worked for a dog biscuit manufacturer.
HIS relatives must have thought Charles Cruft was barking mad when he turned his back on the family jewellery business and went to London to sell "dog cakes".
Started by Charles Cruft in 1891, the show has been running for an impressive 123 years, and has seen more than 25,000 dogs compete.
The man who started it all in 1891 was Charles Cruft, who didn't want to join the family jewellery business, so worked with James Spratt in Holborn, London, selling dog biscuits.
It has changed in ways that couldn't possibly have been imagined when the show was set up by the late Charles Cruft," says Caroline Kisko, Kennel Club secretary.
Crufts was founded in the Victorian era by Charles Cruft - with the inaugural show attracting 2,437 entries to the Royal Agricultural Hall in Islington in 1891.
HOW TO ENTER Correctly answer this question for your chance to win: Q: Which of the following is a breed of dog (1) Boxer (2) Persian Blue (3) Siamese CALL 090 1307 6470 and follow instructions or (51p/call) OR TEXT the word BM1 followed by a space then your answer (1, 2 or 3), your name, full address including postcode and email address to 85858 (50p/text) celebra bra brate te te Cru Cruft fts coming T Birmingham again next week, Samsung is giving one lucky winner
The job saw him working in Europe and he was invited by French dog breeders to organise the promotion of the canine section Charles Cruft in the 1878 Paris Exhibition.
1886: The first Cruft's Dog Show to be held in London, was organised by Charles Cruft, general manager of a dog biscuit firm.
The show was founded by Charles Cruft - a travelling salesman who had a brainwave.
FORMER dog biscuit manufacturer Charles Cruft held his debut dog show in 1886 in Islington, north London, but the first Crufts took place in 1891.