Roget's Thesaurus

The most famous word-finder in the English language: Peter Mark Roget's great map of meaning, grouping the tongue's riches by idea rather than alphabet.

At a glance A tool, a browse, and a quiet lesson in how thought and language fit together. Few reference books have earned a permanent place on the writer's desk, but Roget's has… What began as one physician's private habit of listing and classifying words became, on… What it's about Peter Mark Roget's Thesaurus does something the dictionary does not…

Peter Mark Roget's Thesaurus does something the dictionary does not: instead of starting from a word and giving its meaning, it starts from an idea and gives you the words.