Ballantine reference library

Contains definitions for 300 everyday words that are not found in most dictionaries to date.

Over 11,000 main-entry words in alphabetical order recommended for writers, speakers, students, and business people.

Contains over 80,000 synonyms and antonyms listed in categories which are numbered to correspond with the senses in which they are most commonly used.

Contains over 30,000 words in both English and Spanish, including pronunciation guide, irregular verbs, useful phrases, and a weights and measures guide.