Definition

Relating to or causing an excessive or extreme reaction of the immune system.

Example

The patient was diagnosed with a hyperimmune response to the vaccine.

Conversation

I read about this condition called hyperimmune response in my biology class.

Oh really? What does that mean exactly?

It means the body reacts too strongly to something, like an allergen.

That sounds intense! I wonder how it affects people.

Synonyms & Antonyms

Root Explanation

Hyperimmune → It is formed from "hyper-" (meaning over or excessive) and "immune" (from Latin "immunis", meaning exempt or free from). The word "hyperimmune" refers to an excessive or heightened immune response.

Memory Tip

Think of 'hyper-' meaning 'over' or 'excessive' and 'immune' meaning 'exempt' — together, they describe an immune response that is heightened or excessive.

Visually Confused Words