A major revision to the Fifth Edition of The American Heritage?Dictionary of the English Language, the premier resource about words for people who seek to know more and find fresh perspectives.This dictionary presents the most up-to-date research about the words in our language in an accessible and elegant design. The landmark Fifth Edition, with 10,000 new words and senses, over 4,000 new full-color images, and comprehensive, up-to-date guidance on usage from the celebrated American Heritage?Usage Panel, is now updated for 2016 with more than 1,000 revisions, including nearly 100 new words and senses.