The Collins German Unabridged Dictionary is simply the best German dictionary you can buy. Here's why:

Hundreds of thousands of entries and translations: The Collins German Unabridged Dictionary contains the most comprehensive coverage of both German and English and the most up-to-date business, political, and technical terms.

Most up-to-date: This edition has been extensively revised and updated to cover the recent worldwide German spelling reform. Its vocabulary of today's German, including thousands of new phrases and indicators, is complete and exhaustive. This edition also includes full coverage of key words and full treatment of irregular forms of verbs, nouns, and adjectives to create the most complete and accurate picture of the German language available today.

More colloquial usage than any other German dictionary: With its emphasis on current German and English—both written and spoken—including all areas of modern life and featuring regional usage, this dictionary gives you the edge in understanding and choosing the most appropriate translation.

New terms in this edition include:

Billigjob
low-paid job

Biokraftstoff
organic fuel

Chillen
to chill out

Handyverbot
cell phone ban

Radikal-fundamentalistisch
radical fundamentalist