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Special Features

The editors of the American Heritage dictionaries take you beyond the spelling bee by upping the ante on word-based competition with a brand new game for word nerds everywhere: the DEFINE-A-THON!
Take the Define-a-Thon Word Challenge, and show off your word power.

100 Words

Test your vocabulary prowess with our popular 100 Words lists, including the just-released 100 Words Almost Everyone Mixes Up or Mangles!

Crossword Puzzle Solver
Crossword Puzzle Solver

Do you need help solving a crossword puzzle?
Go to our Crossword Puzzle Solver and type in the letters
that you know and the Solver will produce a list of possible solutions.

The editors of the American Heritage® Dictionaries invite you to take these quizzes that will test your knowledge of a variety of subjects. The answers to these questions, and to thousands of others, can be found in our indispensable reference books.

The American Heritage Science Dictionary
Science Dictionary Quiz

The American Heritage Student Science Dictionary
Student Science Dictionary Quiz
The American Heritage College Thesaurus, First Edition
The American Heritage
College Thesaurus Quiz


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