Sinonimi e contrari Zanichelli is a free, user-friendly Android app developed by Zanichelli Editore S.p.a. The app is categorized under the Education & Reference section and offers a complete Italian thesaurus to its users. With its vast database of over 46,000 words, 80,000 meanings, 330,000 synonyms, 140,000 antonyms, 1700 regional synonyms, 15,000 collocations, 1050 shades of meaning, 8000 phrases, 2300 verb patterns, etymological notes, 120 nomenclature inserts, 3300 geographical synonyms, and 4000 pseudonyms, the app is an indispensable tool for anyone seeking to improve their vocabulary.

The app’s advanced search features allow users to search for words, phrases, and inflected forms, while the contextual search feature allows users to find definitions by simply holding down a word within a definition. The app also includes a voice search function, personalized font size and search mode options, a word of the day feature, a favorites section, and a history of consulted words. The app can be used offline or online, and users can activate a free trial of up to 30 searches or purchase the full version in-app.