Two-thousandsies
noun, slang
noun, slang ·Uncommon ·Advanced level
Definitions
Noun
- 1 The decade that began on January 1, 2000 and ended on December 31, 2009. humorous, informal, plural, plural-only
Synonyms
All synonymsEtymology
From two thousands + -ies; the suffix -ies is used to form consistency with terms for recent previous decades, such as nineties, eighties, seventies, etc.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.