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 Wordnik Alternatives in 2026
24 alternatives1 free · 2 open source
Looking for something like Wordnik? 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.
Wordnik provides a dictionary, word search, community entries and a daily word feature.
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 optionUrbanDictionaryUrban Dictionary publishes user-submitted definitions of…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Slangit | — | Not stated | Android, iOS, Web |
| 2 | UrbanDictionary | — | Not stated | Web |
| 3 | TheDevilsDictionary | — | Not stated | Web |
| 4 | Affixes: | — | Not stated | Web |
| 5 | Wiktionary | — | Not stated | Web |
| 6 | Phrontistery | — | Not stated | Web |
| 7 | VisuWords | — | Not stated | Web |
| 8 | HatNote | — | Not stated | Web |
| 9 | Moby Thesaurus | — | Not stated | Web |
| 10 | OneLook | — | Not stated | Web |
All Wordnik alternatives
2
UrbanDictionary
urbandictionary.comAlso covers api and research · same kind of website
Urban Dictionary publishes user-submitted definitions of slang and other terms, including its daily featured entry.
3
TheDevilsDictionary
thedevilsdictionary.comAlso covers research · same kind of website
The Devil’s Dictionary provides online access to Ambrose Bierce’s published entries.
4
Affixes:
affixes.orgAlso covers research · same kind of website
Affixes explains English word beginnings and endings through examples, with the page listing 1,250 entries and 10,000 examples.
5
Wiktionary
wiktionary.orgAlso covers research · same kind of website
Wiktionary provides searchable dictionary entries across many language editions.
6
Phrontistery
phrontistery.infoAlso covers research · same kind of website
The Phrontistery provides an online dictionary of obscure English words, etymologies and topical vocabulary lists.
7
VisuWords
visuwords.comAlso covers research · same kind of website
VisuWords maps word meanings and associations in a visual dictionary and thesaurus.
8
HatNote
top.hatnote.comAlso covers research · same kind of website
HatNote lists the most-visited English Wikipedia articles and updates its ranking daily.
9
Moby Thesaurus
moby-thesaurus.orgAlso covers research · same kind of website
Moby Thesaurus lets users search an open-source collection of English word relationships and synonyms.
10
OneLook
onelook.comAlso covers research · same kind of website
OneLook searches hundreds of dictionaries for definitions, related words, quotes, lyrics and other language references.
11
Encyclopedia
encyclopedia.comAlso covers research · same kind of website
Encyclopedia.com provides dictionary and encyclopedia articles with pictures, facts and videos.
12
Netspeak
netspeak.orgAlso covers research · same kind of website
Netspeak helps users find words and expressions by searching material written on the web.
13
WordSafety
wordsafety.comAlso covers research · same kind of website
WordSafety checks project names for unwanted meanings, swear words and associations across 19 languages.
14
InfoPlease
infoplease.comAlso covers research · same kind of website
Infoplease combines an encyclopedia, almanac, atlas, biographies, dictionary and thesaurus for online reference.
15
Merriam-Webster
merriam-webster.comAlso covers research · same kind of website
Merriam-Webster provides English word definitions, usage examples, quizzes and word games.
16
Time Traveler
merriam-webster.com/time-travelerAlso covers research · same kind of website
Merriam-Webster Time Traveler finds words based on the year they were first recorded in print.
17
EtymOnline
etymonline.comAlso covers research · same kind of website
Etymonline provides accounts of the origins and histories of English words, phrases and idioms.
18
PowerThesaurus
powerthesaurus.orgAlso covers research · same kind of website
Power Thesaurus provides synonyms, antonyms, definitions and examples for English words.
19
Also covers research · open source
GoldenDict-ng is an open-source, cross-platform dictionary program that supports multiple dictionary formats.
20
Also covers research · open source
PyGlossary converts dictionary and glossary files for use in different open-source dictionary applications.
21
Merlot
merlot.org/merlot/index.htmAlso covers research · same kind of website
MERLOT provides curated online learning materials and tools through an international educator community.
22
Also covers api and research · same kind of website · free
PlagiarismDetector checks submitted text for copied content and offers plagiarism reports and grammar tools.
23
GROBID
grobid.readthedocs.ioAlso covers api and research · same kind of website
Read GROBID project documentation for the software and its available functions.
24
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.
No alternatives match this filter.
Alternatives to similar tools
Moby Thesaurus24 alternativesEncyclopedia24 alternativesGoldenDict24 alternativesPyGlossary24 alternativesOneLook24 alternativesWordSafety24 alternatives
What is the best alternative to Wordnik?
Based on features, tags and platforms, the closest alternatives to Wordnik are Slangit, UrbanDictionary, and TheDevilsDictionary.
Is there a free alternative to Wordnik?
Yes. PlagiarismDetector is free or offer a free plan.
Are there open-source alternatives to Wordnik?
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