1. Not: dissimilar.
a. Absence of: disinterest.
b. Opposite of: disfavor.
3. Undo; do the opposite of: disarrange.
a. Deprive of: disfranchise.
b. Remove: disbud.
5. Free from: disintoxicate.
6. Used as an intensive: disannul.
[Middle English, from Old French des-, from Latin dis-, apart, asunder.]
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.