Decrease: meaning, definitions and examples

Use 'decrease' in general contexts where numbers or amounts are getting smaller.

• The temperature will start to decrease tonight.
• Sales have decreased by 10% this month.

Use 'reduce' when making something smaller or less in amount, degree, or size, often in a deliberate or controlled way.

• We need to reduce our expenses to save money.
• The chef will reduce the sauce to enhance its flavor.

Use 'diminish' when suggesting a reduction in size, importance, or intensity over time. It often carries a slightly negative connotation.

• The noise will diminish as you move away from the city center.
• The new evidence may diminish his credibility.

Use 'lower' when talking about making something less high, less intense, or less in value or quantity.

• You should lower your voice in the library.
• The company plans to lower the prices next month.

Use 'lessen' when describing a reduction in intensity, severity, or impact. Often applied to feelings or conditions.

• Painkillers can help lessen the pain.
• His anger began to lessen over time.

Generally used to talk about a reduction in quantity, size, or intensity. It's neutral in tone and suitable for all contexts.

• There was a decrease in the number of students enrolling this year.
• To decrease expenses, the company decided to cut down on marketing costs.

Typically used in more formal or technical contexts. It denotes a deliberate act of making something smaller or less in amount, degree, or size.

• The company is focusing on the reduction of carbon emissions.
• Weight reduction programs have become very popular this year.

Commonly used in informal or everyday contexts to describe a sudden reduction or fall. It may suggest a sharp or unexpected decrease.

• The temperature is expected to drop significantly tonight.
• There was a sudden drop in sales after the holiday season.

Often used to describe a downward trend over time. It can also imply deterioration or weakening, usually in a more serious or negative context.

• The decline in health of the patient was noticeable over the last few weeks.
• There has been a steady decline in the use of fossil fuels in recent years.