0-dark-thirty

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun

1
Alternative form of oh dark thirty. US, alt-of, alternative, slang, uncountable
"In the very early morning--0-dark-30--the veterans have the Wall entirely to themselves, which is the main reason that we go at that hour."

Synonyms

Example

"In the very early morning--0-dark-30--the veterans have the Wall entirely to themselves, which is the main reason that we go at that hour."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.