Dictionary Data Sources
Retite's dictionary combines material from the open sources listed below with content written by Retite. This page is the attribution required by those licences.
Open English WordNet 2025
Portions of the lexical definitions, senses and semantic relations in Retite are derived from Open English WordNet 2025, licensed under Creative Commons Attribution 4.0 International. Retite has selected, rearranged, simplified, paraphrased and otherwise modified this material. Open English WordNet incorporates material derived from Princeton WordNet; the applicable copyright notice and disclaimer are reproduced below. This notice does not apply to independently authored Retite content except where expressly indicated.
Used for: sense inventory, parts of speech, semantic relations, seed definitions. Licence: Creative Commons Attribution 4.0 International. Source: https://en-word.net/. Modified by Retite: yes.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
THIS SOFTWARE AND DATABASE IS PROVIDED "AS IS" AND PRINCETON UNIVERSITY MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PRINCETON UNIVERSITY MAKES NO REPRESENTATIONS OR WARRANTIES OF MERCHANT-ABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE, DATABASE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
The name of Princeton University or Princeton may not be used in advertising or publicity pertaining to distribution of the software and/or database. Title to copyright in this software, database and any associated documentation shall at all times remain with Princeton University and LICENSEE agrees to preserve same.
CMU Pronouncing Dictionary
US English pronunciation data is derived from the Carnegie Mellon Pronouncing Dictionary (© 1993-2015 Carnegie Mellon University). Retite converts the ARPAbet transcriptions to IPA with its own converter and edits the result.
Used for: US pronunciation (ARPAbet, converted to IPA by Retite). Licence: Carnegie Mellon University permissive licence (BSD-style). Source: https://github.com/cmusphinx/cmudict. Modified by Retite: yes.
Copyright (C) 1993-2015 Carnegie Mellon University. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. The contents of this file are deemed to be source code.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
This work was supported in part by funding from the Defense Advanced Research Projects Agency, the Office of Naval Research and the National Science Foundation of the United States of America, and by member companies of the Carnegie Mellon Sphinx Speech Consortium. We acknowledge the contributions of many volunteers to the expansion and improvement of this dictionary.
THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Wiktionary (via Kaikki.org)
Search suggestions and spelling corrections in Retite use the list of English headwords, their parts of speech and their misspelling and obsolete-spelling labels from Wiktionary (extracted by Kaikki.org), licensed under Creative Commons Attribution-ShareAlike 4.0 International. Retite has selected and reorganised this list; no definitions or other article text from Wiktionary are used.
Used for: headword list for search suggestions and spelling corrections. Licence: Creative Commons Attribution-ShareAlike 4.0 International. Source: https://en.wiktionary.org/. Modified by Retite: yes.
Google Books Ngram Viewer dataset, version 3 (English Fiction)
Collocations shown at the end of a sense in Retite are selected from word-sequence counts in the Google Books Ngram Viewer dataset (version 3, English Fiction), provided by Google and licensed under Creative Commons Attribution 3.0 Unported. Retite has filtered, ranked and grouped these counts by its own rules; no text from the books themselves is used.
Used for: collocations at the end of a sense. Licence: Creative Commons Attribution 3.0 Unported. Source: https://storage.googleapis.com/books/ngrams/books/datasetsv3.html. Modified by Retite: yes.
CEFR-J Wordlist Version 1.6
CEFR level seeds are derived from the CEFR-J Wordlist Version 1.6, compiled by Yukio Tono (Tokyo University of Foreign Studies) under the CEFR-J project. Retite assigns final levels per sense and is solely responsible for them.
Used for: word-level CEFR seeds. Licence: CEFR-J project terms (commercial use with citation). Source: https://www.cefr-j.org/. Modified by Retite: yes.
Content written by Retite
Learner definitions, examples, guide words and British pronunciations in Retite are written by Retite and are not covered by the licences above.
Machine-readable
The same information is available as JSON at api.retite.app/legal/data-sources.json, and every dictionary response carries an
attribution_url field that leads here.