Definition

Not opened or not in a state of being open.

Example

The box remained unopen until the party started.

Conversation

Hey, did you check that box in the corner?

No, I haven't looked at it yet. Is it unopen?

Yeah, it looks like it hasn't been touched for ages.

Maybe we should open it together and see what's inside!

Synonyms & Antonyms

Root Explanation

Unopen → It is formed from "un-" (meaning not) and "open" (from Old English "openian", meaning to open). The word "unopen" means not open or closed.

Memory Tip

Think of 'not' ('un-') being added to 'open' — this helps you remember that 'unopen' means something that is not open.

Visually Confused Words