1
Slangit
slang.netAlso covers research · same kind of website
Slang.net defines current slang terms, acronyms and abbreviations, with daily entries and blog posts.
Alternatives
The Best UrbanDictionary Alternatives in 2026
24 alternatives1 free · 2 open source
Looking for something like UrbanDictionary? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 2 are open source.
About UrbanDictionaryurbandictionary.com
VisitUrban Dictionary publishes user-submitted definitions of slang and other terms, including its daily featured entry.
Top picks at a glance
First suggestionSlangitSlang.net defines current slang terms, acronyms and…Free or freemium optionPlagiarismDetectorPlagiarismDetector checks submitted text for copied content…Open source optionGoldenDictGoldenDict-ng is an open-source, cross-platform dictionary…Another optionWordnikWordnik provides a dictionary, word search, community…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Slangit | — | Not stated | Android, iOS, Web |
| 2 | Wordnik | — | Not stated | Web |
| 3 | PlagiarismDetector | Free | Not stated | iOS, Web |
| 4 | Publish or Perish | — | Not stated | macOS, Web, Windows |
| 5 | NewWorldEncyclopedia | — | Not stated | Web |
| 6 | HatNote | — | Not stated | Web |
| 7 | OneLook | — | Not stated | Web |
| 8 | Ozdic | — | Not stated | Web |
| 9 | Merriam-Webster | — | Not stated | Android, Web |
| 10 | PowerThesaurus | — | Not stated | Web |
All UrbanDictionary alternatives
2
Wordnik
wordnik.comAlso covers api and research · same kind of website
Wordnik provides a dictionary, word search, community entries and a daily word feature.
3
Also covers api and research · same kind of website · free
PlagiarismDetector checks submitted text for copied content and offers plagiarism reports and grammar tools.
4
Publish or Perish
harzing.com/resources/publish-or-perishAlso covers research · same kind of website
Publish or Perish retrieves and analyzes academic citations, presenting metrics such as publication counts, citations and h-index.
5
NewWorldEncyclopedia
newworldencyclopedia.orgAlso covers research · same kind of website
New World Encyclopedia publishes reference articles written or reviewed by certified experts.
6
HatNote
top.hatnote.comAlso covers research · same kind of website
HatNote lists the most-visited English Wikipedia articles and updates its ranking daily.
7
OneLook
onelook.comAlso covers research · same kind of website
OneLook searches hundreds of dictionaries for definitions, related words, quotes, lyrics and other language references.
8
Ozdic
ozdic.comAlso covers research · same kind of website
Ozdic combines collocations, definitions, a thesaurus, idioms, examples and usage notes in one English lookup.
9
Merriam-Webster
merriam-webster.comAlso covers research · same kind of website
Merriam-Webster provides English word definitions, usage examples, quizzes and word games.
10
PowerThesaurus
powerthesaurus.orgAlso covers research · same kind of website
Power Thesaurus provides synonyms, antonyms, definitions and examples for English words.
11
Phrontistery
phrontistery.infoAlso covers research · same kind of website
The Phrontistery provides an online dictionary of obscure English words, etymologies and topical vocabulary lists.
12
Encyclopedia
encyclopedia.comAlso covers research · same kind of website
Encyclopedia.com provides dictionary and encyclopedia articles with pictures, facts and videos.
13
TheDevilsDictionary
thedevilsdictionary.comAlso covers research · same kind of website
The Devil’s Dictionary provides online access to Ambrose Bierce’s published entries.
14
VisuWords
visuwords.comAlso covers research · same kind of website
VisuWords maps word meanings and associations in a visual dictionary and thesaurus.
15
InfoPlease
infoplease.comAlso covers research · same kind of website
Infoplease combines an encyclopedia, almanac, atlas, biographies, dictionary and thesaurus for online reference.
16
Wiktionary
wiktionary.orgAlso covers research · same kind of website
Wiktionary provides searchable dictionary entries across many language editions.
17
Also covers research · open source
GoldenDict-ng is an open-source, cross-platform dictionary program that supports multiple dictionary formats.
18
Also covers research · open source
PyGlossary converts dictionary and glossary files for use in different open-source dictionary applications.
19
GROBID
grobid.readthedocs.ioAlso covers api and research · same kind of website
Read GROBID project documentation for the software and its available functions.
20
Space Finder
spacefinder.lib.cam.ac.ukAlso covers api and research · same kind of website
Spacefinder helps users browse venues through detailed space descriptions, filters and a map.
21
U.S. Climate Resilience Toolkit
toolkit.climate.govAlso covers research · same kind of website
The U.S. Climate Resilience Toolkit helps users explore climate-related risks and practical resources for addressing local hazards.
22
GeoGebra
geogebra.orgAlso covers research · same kind of website
GeoGebra provides free tools for graphing, geometry and classroom activities, including a collaborative whiteboard.
23
NotebookCast
notebookcast.comAlso covers research · same kind of website
NotebookCast provides a real-time collaborative whiteboard with audio and video calls for teaching, sketching and teamwork.
24
Resources
docs.ankiweb.net/resources.htmlAlso covers research · same kind of website
The Anki Manual provides user instructions and a resource list for guides, templates and custom schedulers.
No alternatives match this filter.
Alternatives to similar tools
U.S. Climate Resilience Toolkit24 alternativesNotebookCast24 alternativesGeoGebra24 alternativesEncyclopedia24 alternativesGoldenDict24 alternativesPyGlossary24 alternatives
What is the best alternative to UrbanDictionary?
Based on features, tags and platforms, the closest alternatives to UrbanDictionary are Slangit, Wordnik, and PlagiarismDetector.
Is there a free alternative to UrbanDictionary?
Yes. PlagiarismDetector is free or offer a free plan.
Are there open-source alternatives to UrbanDictionary?
Yes: GoldenDict and PyGlossary.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative