hyper
adj. B2 Upper Intermediate US //ˈhaɪpɝ// UK //hˈaɪpɐ// hy·per
adj. extremely excited, energetic, or active. You use this when someone has too much energy and cannot sit still.
adj. characterised by an unusually high level of nervous energy or excitement. Informal in register; often used to describe children or people who have consumed too much caffeine.
The kids are always hyper after eating sugary snacks.
I drank three cups of coffee this morning and now I feel completely hyper.
The puppy becomes incredibly hyper whenever guests arrive, racing around the living room until it eventually collapses from exhaustion.
Shortenings, all ultimately from the prefix hyper-.
Usage
Often follows a linking verb like 'be', 'feel', or 'get'.