1. Something, such as a film or book, that sustains widespread popularity and achieves enormous sales.
2. A large, powerful bomb used especially in air raids on cities.
3. One that engages in the practice of blockbusting.
[Sense 3, from BLOCKBUSTING.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.