Merriam-Webster® "Pocket Thesaurus" Dictionary is ideal for age group of 3+ yrs and features more than 85000 words. Dictionary is a compact compendium of synonyms, related words and antonyms. A thesaurus that fits in the palm of your hand. More than 85,000 words are featured in this compact compendium of synonyms, related words, and antonyms. Find the right word whenever you need it. To aid in literacy and to build language skills. Pocket thesaurus hardcover fits in the palm of your hand and features more than 85,000 words.