1. A device, such as a cork or plug, that is inserted to close an opening.
2. One that causes something to stop: a conversation stopper.
3. Games A card or cards enabling one to prevent one's opponents from winning all the tricks in a particular suit in a hand of bridge.
4. Baseball A relief pitcher, especially one called upon to protect a lead.
a. A player who excels on defense, as in basketball.
b. In soccer, a defensive player who plays behind the center midfielder and often guards the opponent's best forward. Also called center back.
c. A goalie.
tr.v. stop·pered, stop·per·ing, stop·pers
To close with or as if with a stopper.
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.