The best companion reference book for your studies and to help you improve your English language vocabulary! * Comprehensive synonyms dictionary with thousands of English words and expressions. * Audio pronunciation in US and UK English to improve your understanding of the language. * Works totally offline. Fast and lightweight. * Ideal for English as a Second Language (ESL) students to increase their vocabulary. * Save your favorite definitions as bookmarks. Note: This dictionary cointains elements from Webster's Revised Unabridged Dictionary (1913), a public domain resource; and WordNet®, a lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory. English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept.