Gain vs Increase

When to use each in English, with meaning, register, and examples.

	Gain	Increase
Meaning	To get more of something, like money, weight, or knowledge.	To make something larger in amount or size.
CEFR level	B2	A2
Part of speech	verb	verb
Usage notes	Use 'gain' when discussing positive increases. Common in both formal and casual contexts, but avoid in very informal speech.	Use 'increase' in contexts involving growth, improvement, or enhancement. It is appropriate for both spoken and written English, but avoid in overly casual conversations where simpler words like 'go up' might be preferred.

Frequently asked questions: Gain vs Increase

What's the difference between "Gain" and "Increase"?

"Gain" means: To get more of something, like money, weight, or knowledge. "Increase" means: To make something larger in amount or size.

When should I use "Gain" and "Increase"?

They can all be used in everyday English.

Are "Gain" and "Increase" the same CEFR level?

"Gain" is at B2, "Increase" is at A2 on the CEFR scale.