gainer

American  

[gey-ner] / ˈgeɪ nər /

noun

1. a person or thing that gains.

2. full gainer.

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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

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Other Word Forms

• pregainer noun

Etymology

Origin of gainer

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

Example Sentences

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