What does IDK mean?

IDK means "I don't know." It is a quick way to say someone is not sure, or has not decided yet.

IDK stands for “I don't know”

IDK is short for "I don't know." It can mean the person truly does not know the answer, or that they have not made up their mind.

Sometimes it is a gentle way to say "you pick." If a grandchild answers "idk" to "what do you want for dinner," they may be happy with anything.

Examples in a text

• idk what time the game startsI'll look it up and let you know.
• IDK, you choose the restaurant!Okay, Italian it is.

How to reply

• Offer a simple choice: "Would you like A or B?"
• Or help find the answer and send it back.

Very common and not rude. "Idc" (I don't care) is different and can sound sharper.

Related terms

• What does LMK mean?
• What does BRB mean?
• What does SMH mean?

Looking up a different abbreviation? See the full texting slang list. If your texts are not sending at all, try why texts are not sending on Android.