adj. stick·i·er, stick·i·est
1. Having the property of adhering or sticking to a surface; adhesive.
2. Covered with an adhesive agent.
3. Warm and humid; muggy: a sticky day.
4. Informal Painful or difficult: a sticky situation.
5. Economics Tending to remain the same despite changes in the economy. Used of prices or wages.
a. Of or relating to an item of software or hardware, such as an onscreen graphic or mouse button, that remains active for a brief time after being touched: sticky keys; a sticky menu.
b. Of or relating to content designed to increase the duration of visits to a website.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.