Note - Premium version is not supported anymore. You can keep using this or go to the free version and look into "support pocket thesaurus"

Offline English dictionary containing synonyms and antonyms of more than 90,000 common words.
• Totally offline with over 90,000 common words.
• Smallest offline dictionary with less than 20 MB download and no other online dependency.
• Search for words and bookmark them for later use.
• Click on a ​word to view its synonyms or antonyms.
• View ​history​ of previously searched words.
• ​Using the Floating Thesaurus feature, see the synonyms of any word by simply selecting it.
• Switch between dark and light themes.
• Share words with your friends.

DIFFERENCES WITH THE FREE VERSION:
• Add free.
• Get early updates.
• Both American and British pronunciation.
• Recognise British spellings like 'mesmerise' and 'honour' when using popup thesaurus.
• Internet required for verifying​ at first use.