# nonresponder

> English word · Noun

## Definitions
1. A person who does not respond
2. A person who does not show an immune response to a virus after being vaccinated against it

## Etymology
From non- + responder.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nonresponder