debug /diːˈbʌɡ/verb 3noun 1forms 3 verb3 •To search for and eliminate malfunctioning elements or errors in something, especially a computer program or machinery.It debugs all program errors, including those that are hardware initiated. — 1970 •To remove a hidden electronic surveillance device from (somewhere).Typical fees: $75 to check a particular telephone, $125 to debug one room, $500 to debug a suite of offices— all plus expenses and transportation. — 1969 •(US) To remove insects from (somewhere), especially lice.You can debug yourself at home with various over-the-counter medications. — 1999 noun1 •The action, or a session, of reviewing source code to find and eliminate errors.It may appear odd in the example that the no debug all command was entered before and after the debug was done. The first command is unnecessary, but getting into this habit can save you! — 2009 formsdebugged · debugging · debugs