A lot or a little?
Parents need to know that Esoteric - Personal Thesaurus is a reference app for searching and saving definitions of words from Merriam-Webster's Collegiate Dictionary and Thesaurus. With an internet connection, you can access definitions, synonyms, and examples of how words are used in context. You can save words to a vocabulary list, and you can compare new searches with words from your saved list. The app is free to use and doesn't require providing any personal information. Read the developer's privacy policy for details on how your (or your kids') information is collected, used, and shared and any choices you may have in the matter, and note that privacy policies and terms of service frequently change.