The Oxford Minireference Thesaurus by Alan Spooner
This thesaurus contains 150,000 synonyms and simple cross-references to help in finding related groups of synonyms and opposites. Each entry is divided into numbered senses and example phrases should make less obvious senses clear. Synonyms which are old-fashioned or informal are marked. This book is intended for all those who want to express themselves in a more effective and varied way. It is for general reference at home, school, or in the office.