The Merriam-Webster Dictionary

NEW EDITION! America's Most-Trusted Authority on Language. An all new edition of this authoritative dictionary covering core vocabulary of everyday life. More than 75,000 definitions, including updates to reflect current usage. New words added from a variety of fields. Includes pronunciations, word origins, synonym lists, and over 8,000 usage examples to aid understanding. Includes ESL features such as Irregular English Verbs, English Word Roots, and Confused & Misused Words. Expanded special features include A Handbook of Style, Basic English Grammar, and An Overview of the Internet.