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Adjective

one-shot (not comparable)

1. Needing only a single attempt to become effective.
   • A one-shot solution to financial problems
2. Unique; occurring only once.
   • The most effective way to adapt to changing circumstances would be to enter into one-shot deals that would leave the party the freedom to enter into subsequent transactions or not, depending on the then-current circumstances.2012, Dennis C. Mueller, The Oxford Handbook of Capitalism, →ISBN
3. Performing all the necessary steps on every occurrence, rather than relying on previous setup.
   • Whether a window is one-shot or not makes little difference from the perspective of the programmer. A one-shot window costs more to make visible but uses less memory when it is not being displayed.2009, David Chisnall, Cocoa Programming Developer's Handbook, →ISBN
4. (research design) Measuring something at a single point in time, with no control group.
   • Analysts typically conduct one-shot case studies on unique events of history.2010, Dipak K. Gupta, Analyzing Public Policy: Concepts, Tools, and Techniques, →ISBN
5. Involving a single gunshot.
   • Now the best shooters in the world fired the best rifle in the world, one-shot/one-kill out to one thousand meters.2008, Anthony Swofford, Jarhead: A Soldier's Story of Modern War, →ISBN
6. Holding 1.5 ounces.
   • Here it was sucked from tiny one-shot bottles wrapped in coarse paper, taken between drafts of good East German beer.1992, T. Davis Bunn, The Amber Room, →ISBN

See all 18 meanings of one-shot

Noun

180 (plural 180s)

1. An instance of spinning 180 degrees, so that one is facing in the opposite direction.
   • He did a 180 off the diving board.
2. (figuratively) The exact opposite.
   • The friendly welcome was a 180 from what she had been expecting.
3. (broadly, figuratively) A complete change of direction or opinion.
   • She used to like turnips, but she did a 180 and now hates them.

   Synonyms:

   U-turn, about-face, about-turn