Etymonline - Dictionary & More

Contains adsIn-app purchases
13.8K reviews
Content rating
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About this app

The official, complete app of Douglas Harper's Online Etymology Dictionary, with useful features to help you understand the origins of words as well as improve your vocabulary.

• From, the internet's top choice for quick, reliable, comprehensive yet comprehensible English word origins
Instantaneous search with spelling suggestions works fast on your Android devices
Offline Dictionary - find out word origins anytime, anywhere (Premium only)
Universal app - works on your Android phones and tablets
Related Words - easily access words that share the same origin/root. For example, you can check out all the words with root –logy, such as agriology, anthropology, biology, cardiology, choreology, Christology, chronology, cosmology, etc.

Get even more with ETYMONLINE PREMIUM:
Offline dictionary - Search and view etymology without the need of an internet connection
No Ads - Enjoy a calm, ad-free reading environment
Updated on
Feb 3, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, App activity, and App info and performance
Data is encrypted in transit

Ratings and reviews

13.2K reviews
Christy Powell
April 25, 2024
I enjoy the app. Ive used the website for years and finally just downloaded the app a couple months ago. The only thing I'd like to see change is when I highlight a word I'd like to easily press define for the non-english words the same way I could from the website. However It's only a few seconds to just switch to the web and search it. I still give 5 stars anyway :)
7 people found this review helpful
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Daniel Murphy
January 6, 2023
I love this app. It makes my inner logophile happy. I particularly like that it doesn't just say "from old french" like many other etymology sites. The etymology will be taken back as far as possible (often to proto-indo-european for most English words). The app is functional, the ads are relatively unobtrusive (for a free app), and I have not yet found the limits of its database. If I had one wish it would be to be able to click on root words to get audio pronunciations.
91 people found this review helpful
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Robert Graff
August 16, 2022
Excellent! would prefer options to remove ads which doesn't require tracking or installing other apps etc... Would like to see full integration into linux systems from creation of console application with both cli and gui interface. would be nice to have easy access from my linux writing tools. So a Linux office style suite plugin integration would be nice. I think etymology needs to be the most popular topic for our species right now.
18 people found this review helpful
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August 17, 2022
Thank you for downloading our app! We will keep working on it!

What's new

Bug fixes and performance improvements.