to be extremely anxious or impatient; to be burning with impatience, as if on fire

A small spark can cause a massive fire; metaphorically describes how a tiny force can grow into a powerful movement or how a minor issue can lead to a great disaster.

be scorched by smoke and fire; (figuratively) extremely hot and dry

extremely hot or painful, as if being burned by fire

to spread very rapidly across a wide area; used to describe a situation or trend that expands quickly and cannot be stopped

fire singeing the eyebrows; an extremely urgent or desperate situation requiring immediate attention

experiencing intense physical pain, as if being fried in oil and scorched by fire