Best alternatives to Definitions.net (2026)
10 Chrome extensions that do a similar job to Definitions.net, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Definitions.net today
Definitions.net alternatives, compared
- 1
Lookup Definitions Online
Lookup free online dictionary and thesaurus sites for definitions.
≈5K users4.6★ from 86 ratingsNot updated for 2+ years4 permissions- About 1.7× more users than Definitions.net
- Updated less recently
- Listed under Education
- 2
Synonyms.com
Get instant synonyms for any word or term that hits you anywhere on the web!
≈2K users3.7★ from 6 ratingsUpdated 23 months ago4 permissions- About 1.5× fewer users than Definitions.net
- Listed under Workflow & Planning
- 3
Instant Word Definition
Click on a word to get its definition instantly, now with audio pronunciation and Google Search.
815 users4.4★ from 14 ratingsUpdated 8 weeks agoNo special permissions- About 3.7× fewer users than Definitions.net
- Updated more recently
- Asks for fewer permissions (0 vs 4)
- 4
English-to-English Definitions - Merriam-Webster Dictionary
Find precise English-to-English definitions effortlessly and for free with this intuitive dictionary extension.
≈50K users4.5★ from 115 ratingsUpdated 10 months ago2 permissions- About 17× more users than Definitions.net
- Updated more recently
- Asks for fewer permissions (2 vs 4)
- 5
Instant Dictionary by GoodWordGuide.com
Dictionary Bubble (Instant Dictionary): quickly lookup word definitions with audio pronunciation as you browse the web.
≈80K users4.0★ from 460 ratingsUpdated 21 months ago5 permissions- About 27× more users than Definitions.net
- Updated more recently
- Asks for more permissions (5 vs 4)
- 6
Google Dictionary (by Google)
View definitions easily as you browse the web.
≈4M users3.8★ from 13.7K ratingsUpdated 9 months ago1 permissions- About 1333× more users than Definitions.net
- Updated more recently
- Asks for fewer permissions (1 vs 4)
- 7
TheFreeDictionary.com Extension
Select a word on any website and instantly get its definition at TheFreeDictionary, the world's most comprehensive dictionary!
≈1K users4.4★ from 7 ratings1 permissions- About 3.0× fewer users than Definitions.net
- Asks for fewer permissions (1 vs 4)
- 8
Definer - Word Translator, Ask AI, Dictionary Extension
Select text to translate, define, or ask AI. A word translator and dictionary extension for webpages, PDFs, and EPUBs.
≈40K users4.7★ from 412 ratingsUpdated 2 weeks ago9 permissions- About 13× more users than Definitions.net
- Updated more recently
- Asks for more permissions (9 vs 4)
- 9
Māori Dictionary Search
Allows you to search for words in the Māori dictionary.
≈3K users5.0★ from 6 ratingsNot updated for 3+ years2 permissions- A similar number of users to Definitions.net
- Updated less recently
- Asks for fewer permissions (2 vs 4)
- 10
YourDailyGerman Dictionary Extension
Look up German words on the YourDailyGerman dictionary.
400 users4.0★ from 1 ratingNot updated for 2+ years2 permissions- About 7.5× fewer users than Definitions.net
- Updated less recently
- Asks for fewer permissions (2 vs 4)
- Listed under Education
Definitions.net alternatives: questions
What is the best alternative to Definitions.net?
By users, the most popular alternative is Google Dictionary (by Google) with ≈4M users and a 3.8-star rating. The closest match by what it does is Lookup Definitions Online.
Which Definitions.net alternative has the best rating?
Definer - Word Translator, Ask AI, Dictionary Extension has the highest rating of these alternatives with 50+ ratings: 4.7 out of 5 from 412 ratings.
Is there a Definitions.net alternative that asks for fewer permissions?
Instant Word Definition asks for 0 permissions, against 4 for Definitions.net.
How many alternatives to Definitions.net are there?
We list 10 close alternatives to Definitions.net on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.