phrase, slang ·Moderate ·High school level

Definitions

Phrase

1. 1
   Initialism of I don't know. Internet, abbreviation, alt-of, initialism

   "IDK what you're talking about."

2. 2
   Abbreviation of I don't know. Internet, abbreviation, alt-of

Slang

1. 1
   I do not know. slang, internet, 2010s-2020s

   "Idk what time they are arriving."

Synonyms

All synonyms

i don't know

Example

More examples

"Idk what time they are arriving."

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