1. A standstill resulting from the opposition of two unrelenting forces or factions.
2. Sports A tied score.
3. Computers A failure or inability to proceed due to two programs or devices both requiring a response from the other before completing an operation.
4. Chiefly British A deadbolt.
tr. & intr.v. dead·locked, dead·lock·ing, dead·locks
To bring or come to a deadlock.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.