DictionaryLookup is based on a wide range of sources, with enhancement at the Wolfram Research Companies by both human and algorithmic processing. DictionaryLookup is continually maintained with the latest available information, with automatic updating when DictionaryLookup is used inside the Wolfram Language.

Among principal sources for DictionaryLookup are:

Atkinson, K. "GNU Aspell." 2004. »

International Business Machines Corporation et al. "International Components for Unicode." 2008. »

To report an error or suggest an addition to DictionaryLookup, contact the Wolfram Research DictionaryLookup team.