General Reference: Dictionaries and Encyclopedias

Over 140,000 alternative and opposite words are given with the closest, most frequently used synonyms listed first.

Dictionary features more than 200,000 definitions, as well as revised charts and tables, proofreaders' marks, synonym lists, word histories, and context examples.

Comprehensive coverage on a variety of subjects including, arts, business, geography, history, literature, philosophy, politics, pop culture, science, sports, and more.

Provides authoritative factual information about our world.