v. in·ter·rupt·ed, in·ter·rupt·ing, in·ter·rupts
1. To break the continuity or uniformity of: Rain interrupted our baseball game.
2. To stop (someone engaged in an activity) by saying or doing something: The baby interrupted me while I was on the phone.
To cause an activity to stop by saying or doing something.
1. A signal to a computer that stops the execution of a running program so that another action can be performed.
2. A circuit that conveys a signal stopping the execution of a running program.
[Middle English interrupten, from Old French interrupte, interrupted, from Latin interruptus, past participle of interrumpere, to break off : inter-, inter- + rumpere, to break; see reup- in the Appendix of Indo-European roots.]
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.