Thesaurus For Use In Australian Secondary School Classrooms. It Is A Companion To 'the Australian School Dictionary', From Which It Draws The Majority Of Its Vocabulary. Arrangement Is Alphabetical. Presents 150,000 Synonyms, Many Headwords Include Their Opposites, Parts Of Speech Are Identified, And Cross-references Are Included, As Well As Examples Of Word Usage. Produced By The Australian National Dictionary Centre.