Sometimes humid describes items like food or cloth that have a bit of moisture. This can change how they feel or how long they last.
The bread stayed fresh because it was humid.
The fabric felt humid after washing.
This use shows a place that is warm and has a lot of moisture. Humid places often feel wet and can help plants to grow.
The cave is dark and humid.
Plants grow well in humid places.
In science, humid describes air with much water vapor. It is measured as relative humidity, which tells how much water is in the air compared to the maximum it can hold.
The humid air has 80% humidity.
The weather station reports a humid day.
Humid can mean the air is warm and heavy, making it uncomfortable. People often say a room or place feels humid when it is hard to breathe.
The room was humid and hard to breathe.
It feels humid after the rain.