Spanish Dictionary Thesaurus is a free iPhone application developed by Farlex Inc. It is an invaluable tool for anyone learning or using the Spanish language. With over 97,000 Spanish definitions, including verb conjugations, sourced from authoritative references, this app provides a comprehensive resource for understanding the Spanish language.

One of the standout features of Spanish Dictionary Thesaurus is the availability of over 25,000 words in the free offline Spanish dictionary. This means that you can access the dictionary even without an internet connection, making it convenient for use in any situation.

In addition to the extensive dictionary, the app also offers Spanish-English translations, allowing users to easily translate words and phrases. The audio pronunciations feature helps users learn correct pronunciation, and the voice search function enables quick word lookup simply by speaking.

With Spanish Dictionary Thesaurus, users can save unlimited bookmarks, making it easy to revisit favorite words. The app also provides search suggestions as you type, ensuring that you always find what you're looking for.

Overall, Spanish Dictionary Thesaurus is a user-friendly and comprehensive language reference tool. Its wide range of features, offline capability, and trusted content make it an excellent choice for anyone looking to enhance their Spanish language skills.