noun

1. GAINER, a dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first and facing away from the diving board
2. GAINER, a person who gains (gains an advantage or gains profits)
3. GAINER, a person who gains weight
4. GAINER, something wanted or valued that is gotten : something that is gained ; especially : money gotten through some activity or process
5. GAINER, something that is helpful : advantage or benefit
6. GAINER, an increase in amount, size, or number

verb

1. GAINER, to get (something wanted or valued)
2. GAINER, to win (something) in a competition, battle, etc.
3. GAINER, to gradually get (something) or more of (something) as time passes

1. The medication can cause nausea and weight gain.
2. attributed her recent weight gain to the medication she was taking
3. They stand to gain an advantage over their competitors by getting an early start.
4. What do you hope to gain from this?
5. gain control of the territory