Humidity

/hjuːˈmɪdəti/

Meaning & Definition

noun
The amount of water vapor present in the air.
High humidity can make summer temperatures feel much warmer than they actually are.
The degree of dampness of the atmosphere.
The weather report indicated a humidity level of 85%, making it uncomfortable to be outside.
A measure of moisture in the environment, usually expressed as a percentage.
The humidity in the greenhouse must be maintained at optimal levels for the plants to thrive.
The state or quality of being humid.
Living in a humid climate can be challenging for people who are sensitive to heat.

Etymology

From Latin 'humidus', meaning 'moist, wet'.

Common Phrases and Expressions

high humidity
A condition where a large amount of moisture is present in the air.
humidity level
A quantitative measure of the amount of water vapor in the air.
relative humidity
The ratio of the current amount of water vapor to the maximum amount possible at a given temperature.

Related Words

moisture
The presence of a liquid, typically water, often in a small amount.
dew
Tiny drops of water that form on cool surfaces at night.

Slang Meanings

Sweaty weather
It's so humid outside, I'm feeling like it's sweaty weather.
Stickiness
Man, this humidity is making everything feel like stickiness!