tr.v. dis·rupt·ed, dis·rupt·ing, dis·rupts
1. To throw into confusion or disorder: Protesters disrupted the candidate's speech.
2. To interrupt or impede the progress of: Our efforts in the garden were disrupted by an early frost. The noise disrupted my nap.
3. To break apart or alter so as to prevent normal or expected functioning: radiation that disrupts DNA and kills bacteria.
[Latin disrumpere, disrupt-, to break apart : dis-, dis- + rumpere, to break apart; see reup- in the Appendix of Indo-European roots.]
dis·rupter, dis·ruptor n.
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.