The majority of snakes are active during the day, their energy increasing with the increasing temperature; whilst some delight in the moist sweltering heat of dense tropical vegetation, others expose themselves to the fiercest rays of the midday sun.
When summer arrives, the season is dictated by little more than sweltering heat and the desire to stay as cool as possible.
During World War II, however, when soldiers found themselves working hard in sweltering climates, it became common to use them solely as outerwear.
It's raining outside and I'm still sweltering.
They're the symbols of frivolity and the sultry sex appeal you only find in the hottest clubs in Miami on a sweltering evening, where music's pumping as hard as your heart, and the moonlight's making everyone glow.