1. Thick and adhesive. Used of a fluid.
2. Covered with a sticky or clammy coating.
[Late Latin viscidus, from Latin viscum, mistletoe, birdlime made from mistletoe berries.]
vis·cidi·ty, viscid·ness n.
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.