Cambridge Dictionary of American English Second edition

Intermediate to Upper-intermediate
 

The Cambridge Dictionary of American English, Second edition, makes the best American English learner's dictionary even better.
With new words, new software, and new features, it gives learners even more useful information than the first edition.
Based on the world's largest corpus of written and spoken American English, and written and edited in the US by native speakers of American English, the new edition includes more than 60,000 meanings and example sentences.

Key features:

• up-to-date vocabulary (DSL, Jihad, morth, PDA, retro, Wiki)

• usage notes help learners to avoid common mistakes

• frequency information helps learners identify the words they need to know

• easy-to-understand definitions

• guidewords that help learners find the meaning they want - fast!

• full-sentence examples that show how English is really used.