About ensk.is

ensk.is is a free and open public domain online English-Icelandic dictionary.

The author of the original dictionary, Geir T. Zoëga (1857-1928), was an English language teacher and later rector at the Learned School of Reykjavík in the years 1883-1927. The first edition was published in 1896. The digitised, extended and sanitised version presented here is based on the much-improved third edition edited by Þorsteinn Þorsteinsson (1932).

The current incarnation of the dictionary has been heavily edited, updated and fixed in accordance with modern Icelandic orthography. Many additions have been made to bring the vocabulary into the 21st century. Various errors in the original text were also corrected.

The dictionary currently contains 34087 definitions, thereof 4671 additions (13.7%). More statistics here.

Ensk.is provides provides an easy-to-use JSON API but you are probably better off using the downloadable version if you need to process the dictionary in bulk or with low latency.

The current editor is Sveinbjörn Þórðarson.


This dictionary is in the public domain within all countries where permitted under a Creative Commons Zero (CC0) license. The source files for the dictionary and web application are available on GitHub


This website does not use cookies, does not store user searches, does not require JavaScript, and does not use services such as Google Analytics to collect data.


It takes time and money to host and improve this online dictionary. If you would like to support this project, please transfer funds to Sveinbjörn Þórðarson (editor and maintainer) using PayPal: