Discover New Meanings of a Word on Any Website

Just double-click the word and find out new meanings of a word with the correct context.
Uncover the hidden treasures in ordinary words.

Organize and Expand Your Vocabulary

Found an interesting word you like?
Save it in your colorful word palette with definition and draw your own story with it.

Look Up Definitions & Notes on a Sidebar

We will be right next to you when you need a little help.
Look up and take some notes on the words you found on the web.
Don’t lose a single word!

More about Alterengo

What does
Alterengo mean?

Alterengo (a combination of three words: "Alter Ego" and "Lingo") is a personalized context-aware language learning tool on a web browser for advanced language learners and multilingual professionals.

See Alterengo tutorials
on Youtube

All the language learners in the world!

We are rooting for you! We will be right next to you when you are leaping into the unknown. Let's get through this together!

We are now at...

Alterengo is at its semi-open beta stage; We are accumulating our word database and we need your support.

If you find a word that we don’t have, please tell us on Twitter to improve our service!