1 [buhg-ee]
noun, plural buggies.
a light, four-wheeled, horse-drawn carriage with a single seat and a transverse spring.
(in India) a light, two-wheeled carriage with a folding top.
Older Slang. an automobile, especially an old or dilapidated one.
a small wagon or truck for transporting heavy materials, as coal in a mine or freshly mixed concrete at a construction site, for short distances.
Metallurgy. a car, as for transporting ingots or charges for open-hearth furnaces.
any of various small vehicles adapted for use on a given terrain, as on sand beaches or swamps.
British. a light, two-wheeled, open carriage.

1765–75; of obscure origin

Dictionary.com Unabridged


2 [buhg-ee]
adjective, buggier, buggiest.
infested with bugs.
Slang. crazy; insane; peculiar.

1705–15; bug1 + -y1

bugginess, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
buggy1 (ˈbʌɡɪ)
n , pl -gies
1.  a light horse-drawn carriage having either four wheels (esp in the US and Canada) or two wheels (esp in Britain and India)
2.  short for beach buggy
3.  short for Baby Buggy See baby carriage
4.  a small motorized vehicle designed for a particular purpose: golf buggy; moon buggy
[C18: of unknown origin]

buggy2 (ˈbʌɡɪ)
adj , -gier, -giest
1.  infested with bugs
2.  slang (US) insane
3.  informal (of a system or machine, esp a computer program) containing errors or faults

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

"light carriage," 1773, of unknown origin.

"infested with bugs," 1774, from bug (n.) + -y (2).
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


light, hooded (with a folding, or falling, top), two- or four-wheeled carriage of the 19th and early 20th centuries, usually pulled by one horse. In England, where the term seems to have originated late in the 18th century, the buggy held only one person and commonly had two wheels. By the mid-19th century the term had come to the United States and the buggy had become a four-wheeled carriage for two passengers. The shapes in which the vehicle was built varied widely. The coal-box buggy and, especially, the piano-box, or square-box, buggy enjoyed great popularity. Without a top a buggy was usually called a runabout, or a driving wagon, and if it had a standing top it was called a Jenny Lind.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
There were once big markets for skilled and talented linen weavers, buggy whip
  makers, and wheel wrights.
He had been driven to the station in a buggy and left there alone.
She would soon be nine, and he told her he would get her a buggy for the family
Windows was so buggy, unstable and lacking of performance that my investment
  was paying me back.
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