# explainer

> English word · Noun · frequency rank #51,099

## Definitions
1. Agent noun of explain; one who explains.
2. A guide that explains a topic.

## Etymology
From explain + -er.

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