- The definition of self-adhesive is something that can stick or seal on its own without any tools or moisture.
An envelope that can be sealed without licking or wetting it is an example of a self-adhesive envelope.
self-adhesive definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
having a surface coated with an adhesive that will adhere to another surface without the application of moisture: self-adhesive labels
self-adhesive definition by American Heritage Dictionary
Having a surface coated with an adhesive and not needing any substance, such as glue or paste, applied to form a bond: self-adhesive wallpaper; self-adhesive labels.