Best definition plugins for WordPress
The most popular definition plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Heroic Glossary leads with 3K+ active installs, ahead of Tooltipy (tooltips for WP) (1K+) and WP Glossary Hover (30+). All 8 plugins tagged “definition” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 8 definition plugins
- 1.Heroic Glossary
The most installed definition plugin, with 3K+ active installs. Rated 3.8 from 10 reviews, updated 10 months ago. Tested only up to WordPress 6.9.0.
- 2.
Tooltipy (tooltips for WP)1K+ active installs. Rated 4.6 from 68 reviews, updated 4 weeks ago. Tested only up to WordPress 6.8.12.
- 3.WP Glossary Hover
30+ active installs. Only 3 reviews so far, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 4.
Glossary Pages30+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 5.
Free Dictionary10+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.8.34.
- 6.DL Block
10+ active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.5.24.
- 7.
WordSnapFewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 8.
HoverLex Glossary TooltipFewer than 10 active installs. No reviews yet, updated 3 months ago.
All 8 plugins tagged “definition”
Heroic Glossary
#3,752by HeroThemes10 months ago
The best WordPress glossary builder plugin to create and manage your own glossary of terms.
- Installs
- 3K+
- Rating
- 3.8(10)
- Downloads
- 33/day

Tooltipy (tooltips for WP)
Down in the last 7 days:11#6,550by Jamel Zarga29 days ago
Automatically create tooltip boxes for your technical keywords to explain them to your site visitors.
- Installs
- 1K+
- Rating
- 4.6(68)
- Downloads
- 22/day
WP Glossary Hover
Up in the last 7 days:32#24,738by chorton22278 years ago
When hovering over a word or phrase show the user created definition.
- Installs
- 30+
- Rating
- 3.7(3)
- Downloads
- 0/day

Glossary Pages
#24,971by Organilog1 year ago
A customizable, multilingual-ready glossary plugin with A-Z navigation, category filters, and search. Lightweight, flexible, and SEO-friendly.
- Installs
- 30+
- Rating
- –
- Downloads
- 3/day

Free Dictionary
Down in the last 7 days:95#31,841by gunebakan9 years ago
Free Dictionary Widget for WordPress provides an English Dictionary that gives you English definitions, synonyms, pronunciation, spelling and more.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
DL Block
#43,393by cy8s6 years ago
Adds block for description list (or definition list) <DL> content
- Installs
- 10+
- Rating
- –
- Downloads
- 6/day

WordSnap
#57,099by NoorWork1 year ago
A lightweight plugin that displays word definitions and plays voice pronunciations when users double-click any word on your WordPress site.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

HoverLex Glossary Tooltip
#72,230by Silpa T A3 months ago
Create glossary terms with hover tooltips. Add glossary terms as custom post type and display definitions on hover.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day