# duller

> English word · Noun · frequency rank #56,080

## Definitions
1. One who, or that which, dulls.

## Etymology
From dull (verb) + -er.

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