serrated

/ˈsɛreɪtɪd/
adjective
  1. Having a jagged, saw-like edge with sharp points or teeth.
    • Be careful with that serrated blade; it can easily cut your finger.
    • The fossil had a serrated edge, suggesting it was a carnivorous dinosaur tooth.
    • The serrated knife cut through the bread without crushing it.
  2. Having a notched or irregularly indented margin, as in certain leaves or tools.
    • The hiker used a serrated saw to trim the thick branches.
    • The serrated edge of the coin made it easy to open the package.
    • The serrated leaves of the rose bush can prick your skin.
Antonyms