- To thwart; stump: a problem in thermodynamics that stymied half the class. (verb-transitive)
- An obstacle or obstruction. (noun)
- Sports A situation in golf in which an opponent's ball obstructs the line of play of one's own ball on the putting green. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.