millennium bug

mɪˈlɛniəm bʌɡ

Definition

Definition of millennium bug - Reverso English Dictionary

Noun

software

Dated

computer problem from using two-digit years for 2000

Dated

The millennium bug caused panic before the year 2000.
Banks audited systems for the millennium bug before midnight.
The vendor patched servers to prevent a millennium bug.

Y2K problem

Add a suggestion |

Feedback:

Expressions with bug

flu bug

virus causing flu symptoms like fever and cough

I caught the flu bug last winter.

bug out

leave a place quickly and suddenly

When the alarm rang, everyone bugged out.

bug eyes

eyes that are large or bulging, often from surprise or emotion

He stared at me with bug eyes.

bug off

leave someone alone or go away

He told the annoying salesman to bug off.

squash the bug

crush an insect

She used a tissue to squash the bug on the wall.

bitten by the same bug

adj.

having the same enthusiasm or motivation for something

They are bitten by the same bug for hiking and adventure.

View all translations of millennium bug

✨Click below to see the appropriate translations facing each meaning.

French:bogue de l'an 2000, ...
German:Jahr-2000-Problem, ...
Italian:baco del millennio, ...
Spanish:fallo del milenio, ...
Portuguese:bug do milénio, ...
Chinese:千年虫, ...
Japanese:Y2K問題, ...
Arabic:مُشْكِلَة الأَلْفِيَّة, ...
Hebrew:בָּאג אַלְפַּיִם, ...
Russian:проблема 2000 года, ...
Ukrainian:міленіумна помилка, ...
Hindi:मिलेनियम बग, ...
Bengali:Y2K সমস্যা, ...
Catalan:error de l'any 2000, ...
Czech:miléniová chyba, ...
Danish:år 2000-fejlen, ...
Dutch:millenniumprobleem, ...
Greek:σφάλμα της χιλιετίας, ...
Hungarian:Y2K-hiba, ...
Khmer:បញ្ហាឆ្នាំពីរពាន់, ...
Korean:밀레니엄 버그, ...
Persian:مشکل یازده‌ساله, ...
Polish:błąd roku 2000, ...
Portuguese (BR):bug do milênio, ...
Romanian:bugul mileniului, ...
Swedish:millenniefel, ...
Thai:บั๊กปี 2000, ...
Turkish:milenyum hatası, ...
Vietnamese:lỗi Y2K, ...

Browse the dictionary entries starting with “m”:

Discover how Reverso redefines the dictionary

Go beyond “simple words”

100,000 expressions & idioms Understand any expression you come across: from corporate jargon like 💬 touch base or ↩️ circle back to everyday expressions such as 🌊 out of the blue or 🦆 lame duck, as well as idioms like 🍲 spill the beans and 🐎 hold your horses.

40,000 images When you search for a concrete noun or object, images help you grasp the meaning at a glance. Try searching for 🧵 puppytooth, 🎠 merry-go-round, ⚜️ fleur-de-lys, or 💤 bunk bed.

Informal language & slang Everyday conversations are packed with informal expressions and slang. Meanings are clearly tagged, so you'll always know when a word is casual. Look up hangry (😋 hungry + 😡 angry), 😎 rizz, 🕹️ noob, or 🔑 low-key.

Abbreviations & acronyms Quickly decode modern abbreviations and acronyms. Go from IDK to OMG in seconds and stay up to date with popular abbreviations such as 🐐 GOAT, 📜 tl;dr, 👀 POV, or 🖥️ AFK.

Regional usage (US / UK) Reverso highlights regional differences between American and British English. You’ll never have to wonder where a word is commonly used: try lift vs. elevator, courgette vs. zucchini, or popular British slang like dodgy or banter. What’s more, when you search for 'color', you’ll immediately see its British counterpart, 'colour'.

Get more than a simple definition

Translations for each meaning View translations alongside each meaning to see how a word is translated in each context. Simply toggle translations ON and choose among 25+ languages. You can also display the translation of definitions or examples into your native language to deepen your understanding.

Synonyms & related words by meaning View synonyms and related words for each meaning, not just for the word as a whole. This helps you choose the most accurate word for your context. Click the

icon to discover related terms: analogies, antonyms, common collocates, words with same roots, umbrella terms… Try with happening or hunch.

Multiple examples for every meaning Each meaning comes with three real-life examples to show you how the word is used in different contexts. Click the

icon next to the first example to see two additional options and learn to use new vocabulary naturally.

Go from understanding to mastery

Save words for later review Click the

icon to save words you want to revisit. You can also save a specific meaning by clicking on the

icon next to it. For example, you might want to save the word “table” as a verb, which means “to postpone”.

Practice with personalized flashcards Reverso automatically transforms your searches and saved words into personalized flashcards and quizzes, featuring high-quality audio and usage examples. This helps you transform terms you only recognize into words you actually use confidently.

Learn with Netflix, YouTube, and your favorite texts With Reverso Chrome extension, transform movies, TV shows, articles, or song lyrics into an interactive lesson. Look up words and expressions in one click on any website and learn with your favorite content.