What is the meaning of sweltering?

"Sweltering" means extremely hot and uncomfortable. It's often used to describe the feeling of being uncomfortably hot, especially when the air is humid and still.

Here are some synonyms for sweltering:

* Oppressive

* Scorching

* Boiling

* Muggy

* Suffocating

You might say, "It was a sweltering summer day, and I couldn't wait to get inside to escape the heat."