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

The robot uses a depth camera to map obstacles and adjust its path in real time, and its AI system analyzes soil pH and humidity before initiating a three-step dig-place-tamp planting sequence. —Kaif Shaikh, Interesting Engineering, 28 Nov. 2025

Allavino 99-Bottle Wine Refrigerator More serious oenophiles can protect their precious collection with this refrigerator, that employs technology to reduce fluctuations in humidity and keep temperature steady. —Mark Marino, Bon Appetit Magazine, 28 Nov. 2025

There are traditional Finnish saunas (dry heat/steam), infrared saunas (radiant heat), Turkish baths/hammams (can include a venik ritual where guests are flogged with branches) and Russian banyas (high-humidity steam). —Eileen Falkenberg-Hull, MSNBC Newsweek, 26 Nov. 2025

The long-wearing formula sets to a semi-matte finish that resists oil and humidity, too. —Christa Joanna Lee, Allure, 26 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