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gainer

American  
[gey-ner] / ˈgeɪ nər /

noun

  1. a person or thing that gains.

  2. full gainer.


gainer British  
/ ˈɡeɪnə /

noun

  1. a person or thing that gains

  2. Also called: full gainer.  a type of dive in which the diver leaves the board facing forward and completes a full backward somersault to enter the water feet first with his back to the diving board Compare half gainer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • pregainer noun

Etymology

Origin of gainer

First recorded in 1530–40; gain 1 + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Coincidentally, the third-biggest gainer in the S&P 500 on Thursday was Constellation Brands, which is best known for selling Corona and Modelo in the U.S.

From MarketWatch • Apr. 9, 2026

Endeavour Mining is the index’s second largest gainer, up 2.5%.

From The Wall Street Journal • Jan. 19, 2026

Oracle is undoubtedly under pressure, but Turrin says the cloud computing giant is set to emerge as a “clear market share gainer in infrastructure.”

From Barron's • Dec. 3, 2025

It’s still the S&P 500’s biggest gainer so far this year, rising about 40%.

From Seattle Times • Feb. 20, 2024

A partygoer—one of the paid ones—did a perfect triple gainer off the diving board, the splash leaving a streak across the High Blade’s heavy robe.

From "Scythe" by Neal Shusterman