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[dee-buhg] /diˈbʌg/
verb (used with object), debugged, debugging. Informal.
to detect and remove defects or errors from.
to remove electronic bugs from (a room or building).
Computers. to detect and remove errors from (a computer program).
to rid (a garden, plant, etc.) of insect pests, as by the application of a pesticide.
Origin of debug
1940-45; de- + bug1
Related forms
debugger, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for debug
  • However, systems composed of interacting agents are notoriously difficult to test and debug.
  • And then you'd have to debug it and get it to work right.
  • She also coined the term debug was when she found the cause of an error that was actually a moth stuck in the machine.
British Dictionary definitions for debug


verb (transitive) -bugs, -bugging, -bugged
to locate and remove concealed microphones from (a room, etc)
to locate and remove defects in (a device, system, plan, etc)
to remove insects from
  1. something, esp a computer program, that locates and removes defects in (a device, system, etc)
  2. (as modifier): a debug program
Word Origin
C20: from de- + bug1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for debug

1945, of machine systems, from de- + bug (n.) "glitch, defect in a machine." Meaning "to remove a concealed microphone" is from 1964. Related: Debugged; debugging.

Online Etymology Dictionary, © 2010 Douglas Harper
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debug in Technology

software, tool
The bundled compiler/assembler for DOS/Windows after CP/M.
[Did CP/M have "DEBUG"?]
["DOS Power Tools, Techniques, Tricks, and Utilities, PC Magazine, Paul Somerson Executive Editor, Bantam Books, 1988].

The Free On-line Dictionary of Computing, © Denis Howe 2010
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