Definition

A flat paper container used to hold a letter or other documents, typically with a flap that can be sealed.

Example

I put the invitation in an envelope before mailing it.

Conversation

Did you see the envelope that came in the mail today?

Yeah, it looked pretty important — do you know what it is?

I think it might be the invitation to Sarah's wedding.

Oh, that makes sense! I can't wait to see it.

Synonyms & Antonyms

Root Explanation

Envelope → The word originates from the Old French 'enveloper' (meaning to wrap or cover), which is derived from 'en-' (meaning in) and 'velopper' (meaning to wrap). An envelope is something that wraps around a letter or document.

Memory Tip

Think of something that 'wraps around' ('envelop') — that's why an envelope is used to cover a letter.

Visually Confused Words