IDK
abbreviation/ˌaɪ diː ˈkeɪ/
/ˌaɪ diː ˈkeɪ/
(also idk)
(informal)- (on social media, in text messages, etc.) I don’t know
- IDK what to do about it.
Check pronunciation:
IDK
Definition of IDK abbreviation from the Oxford Advanced Learner's Dictionary