WordWeb is a quick and powerful international English dictionary for Windows. This off-line dictionary can be used to look up words from almost any program, showing definitions, synonyms and related words. It includes pronunciations and usage examples.
The free version includes Definitions and synonyms, Proper nouns, Related words, Pronunciations, 150000 root words, 120000 synonym sets, and Fixed web reference tabs. WordWeb supports Windows 98/2000/Me/XP/Vista.