humidity

noun

hu·​mid·​i·​ty hyü-ˈmi-də-tē 

yü-

plural humidities

: a moderate degree of wetness especially of the atmosphere compare relative humidity

Synonyms of humidity

• moisture

Examples of humidity in a Sentence

the humidity of the region

It's not the heat that will get you—it's the humidity.

The temperature is 67 degrees with humidity at 75 percent.

an area of low humidity

Recent Examples on the Web

Have six or seven layers and the plane door would open, and I would be blown back in from the heat and humidity. —Brayden Garcia, Fort Worth Star-Telegram, 14 Nov. 2025

The researchers say the system works best in places with low humidity and frequent clear nights. —Aamir Khollam, Interesting Engineering, 13 Nov. 2025

The weather service receives the request, verifies that the code is authentic, and then responds with relevant data, such as temperature, humidity, wind speed, and a multi-day forecast. —Laura Kiniry, Popular Science, 13 Nov. 2025

Your poinsettia will flourish with humidity levels of 50% to 75%. —Sophia Beams, Better Homes & Gardens, 13 Nov. 2025

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing humidity

• absolute humidity
• relative humidity

Rhymes for humidity

• acidity
• aridity
• avidity
• cupidity
• fluidity
• liquidity
• lucidity
• morbidity
• placidity
• rancidity
• rapidity
• rigidity

Kids Definition

humidity

noun

hu·​mid·​i·​ty hyü-ˈmid-ət-ē 

yü-

plural humidities

: moisture, dampness

especially : the amount of moisture in the air

Medical Definition

humidity

noun

hu·​mid·​i·​ty hyü-ˈmid-ət-ē, yü- 

plural humidities

: a moderate degree of wetness especially of the atmosphere see absolute humidity, relative humidity