1. Having no exit except for going back the way one came.
2. Permitting no opportunity for progress or advancement: a dead-end job.
3. Informal Tough and rowdy: a dead-end gang.
intr.v. dead-end·ed, dead-end·ing, dead-ends
To terminate with no exit: The road dead-ends at the lake.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.