Gain means to get something good or useful. You often work or try hard to gain it. It can be things like knowledge, money, or experience.
She gained new skills at school.
They gained good money last month.
Gain as a noun means a good result or benefit you have. It can be an advantage in health, money, or other things.
The gain of friends is very good.
He showed a gain in strength.
In electronics, gain means how much the power or size of a signal increases. It is important in devices like amplifiers.
The amplifier has a gain of 10 decibels.
Gain helps the weak signal become strong.
Gain here means to move towards or get closer to a place or goal, especially in a fight or race. It means making progress.
The army gained ground slowly.
They gained the hill before night.
Gain can mean to get things we cannot touch, like respect or power. You work or behave well to gain them from others.
She gained respect from her team.
He gained power after many years.