Pronunciation: /aɪ diː keɪ/
noun IDK is an acronym commonly used in informal communication to mean 'I don't know'. It is a noun in this context as it refers to a state of not having knowledge or information.
A1 IDK stands for 'I don't know'.
A2 My friend always says 'IDK' when she doesn't have an answer.
B1 When in doubt, just reply with 'IDK'.
B2 IDK is often used in text messages to show uncertainty.
C1 Some people use 'IDK' as a way to avoid giving a direct answer.
C2 In informal conversations, 'IDK' is a common abbreviation for 'I don't know'.
pronoun In some cases, 'IDK' can be used as a pronoun to replace a subject or object in a sentence, although this usage is less common.
A1 IDK where my keys are.
A2 IDK if I locked the door.
B1 IDK what time the meeting starts.
B2 IDK why she didn't come to the party.
C1 IDK who is responsible for this project.
C2 IDK how we can improve our sales strategy.
interjection IDK can also function as an interjection, expressing uncertainty or lack of knowledge in a casual or informal manner.
A1 IDK where my keys are.
A2 IDK how to solve this math problem.
B1 IDK what time the movie starts.
B2 IDK if I should apply for this job.
C1 IDK why the project was delayed.
C2 IDK if I can trust him with this information.
formal I am not sure about the answer to that question, IDK.
informal IDK what time the party starts, sorry.
slang IDK where my phone is, I think I lost it.
figurative When it comes to relationships, sometimes it's like playing a game of IDK.
didn't know
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have IDKed
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IDKed