This shows grade level based on the word's complexity.
millennium bug
Save This Word!
This shows grade level based on the word's complexity.
noun Informal.
a bug that could cause computers or software to misinterpret a year after 1999 as having the first two digits 19 instead of 20, due to the coding of dates using only the last two digits of the four-digit year.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also called Y2K problem, Y2K bug.
Origin of millennium bug
First recorded in 1990–95
Words nearby millennium bug
millennial, Millennial Church, millennialism, millennium, Millennium Bridge, millennium bug, millepede, millepore, miller, Millerand, millerbird
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for millennium bug
millennium bug
noun
computing any software problem arising from the change in date at the start of the 21st century
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