Definition

Describing someone or something that is very energetic, active, or restless, often to an excessive degree.

Example

The hyperkinetic child could not sit still for even a minute during the class.

Conversation

Have you seen that new kid in class?

Yeah, he seems really hyperkinetic during gym class!

I know, right? It's like he has so much energy to burn.

Totally! I can barely keep up with him sometimes.

Synonyms & Antonyms

Root Explanation

Hyperkinetic → It is formed from "hyper-" (meaning over or excessive) and "kinetic" (from Greek "kinetikos", meaning relating to motion). The word describes a state of excessive movement or activity.

Memory Tip

Think of 'hyper-' meaning excessive and 'kinetic' relating to motion — this helps you remember that hyperkinetic refers to excessive movement.

Visually Confused Words