The new Collins Gem School Dictionary and Thesaurus is the perfect reference for all students aged 10-14. A combined dictionary and thesaurus, in the best-selling Gem format, it has been developed with teachers to be the perfect tool for both school work and homework. A new addition to Collins' bestselling range of Gem dictionaries, this School Dictionary and Thesaurus is an invaluable reference book in a handy, portable format. Clear, straightforward definitions reflect today's language, while the matching thesaurus entries provide a generous choice of synonyms and antonyms. A supplement also gives help with tricky and confusable words and suggests alternatives for overused words. You can always rely on Collins to provide you with today's English as all our definitions, examples, idioms and usage notes are based on the Collins Word Web -- our unrivalled and constantly updated 2.5 billion-word database. Also contained is a handy supplement offering practical guidance to help improve your English.