1. Characterized by separation.
2. Music Relating to progression by intervals larger than major seconds.
3. Zoology Having deep constrictions separating the head, thorax, and abdomen, as in insects.
1. Logic A term in a disjunction.
2. Linguistics An adverb or adverbial phrase that modifies a sentence to suggest the speaker's commentary on the content of the sentence, as with sadly in Sadly, we have no more dessert left.
[Middle English disjuncte, from Latin disiūnctus, past participle of disiungere, to disjoin; see DISJOIN.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.