Definition

In a way that shows extreme mental disturbance or craziness.

Example

He laughed dementedly, as if he had lost all sense of reality.

Conversation

Did you see how he was acting at the party last night?

Yeah, he was moving around dementedly like he was in a different world!

I couldn't believe it; it was both funny and a little concerning.

Right? Sometimes I wonder what goes on in his head.

Synonyms & Antonyms

Root Explanation

Dementedly → It is formed from "dement" (from Latin "dementem", meaning out of one's mind) and "-ly" (a suffix used to form adverbs). The word "dementedly" means in a manner that is out of one's mind or irrationally.

Memory Tip

Think of someone acting 'out of their mind' ('dement') and how the '-ly' turns that into a way of doing something. This helps you remember that 'dementedly' describes actions that are irrational or crazy.

Visually Confused Words