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

• damp
• dampness
• moistness
• 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

Hancock says some thermostats are even programmed to work alongside your local weather forecast to adjust according to daily temperatures and humidity levels. —Kristine Gill, Better Homes & Gardens, 20 Feb. 2025

The shampoo forms a barrier against humidity while keeping moisture in. —Daisy Maldonado, Allure, 18 Feb. 2025

Tap on the map for current weather conditions, including humidity, wind speed. —Brayden Garcia, Fort Worth Star-Telegram, 18 Feb. 2025

Permissible days are designated by Cal Fire based on a number of factors including humidity and air quality. —Phil Diehl, San Diego Union-Tribune, 16 Feb. 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