Definition

In a way that is not correct; by accident or error.

Example

She mistakenly thought the meeting was at 10 AM instead of 2 PM.

Conversation

I think I mistakenly sent you the wrong file yesterday.

Oh, I noticed that! It didn't match what we discussed.

Yeah, I realized it too after I checked my email.

No worries, just send the correct one when you can.

Synonyms & Antonyms

Root Explanation

Mistakenly → It is formed from "mistake" (from Old French *mistake*, meaning to misunderstand or misjudge) and "-ly" (meaning in a manner). The word "mistakenly" means in a manner that involves misunderstanding or misjudgment.

Memory Tip

Think of making a 'mistake' — which means misunderstanding something — and adding '-ly' to show how it was done. This helps you remember that 'mistakenly' means doing something in a way that involves a misunderstanding.

Visually Confused Words