burning

nouns

the act of burning something
"the burning of leaves was prohibited by a town ordinance"
pain that feels hot as if it were on fire
a process in which a substance reacts with oxygen to give heat and light
execution by electricity
execution by fire
a form of torture in which cigarettes or cigars or other hot implements are used to burn the victim's skin
is a type of (narrower)
the deliberate, systematic, or wanton infliction of physical or mental suffering by one or more persons in an attempt to force another person to yield information or to make a confession or for any other reason
"it required unnatural torturing to extract a confession"

adjectives

of immediate import
"burning issues of the day"
is similar to
of great significance or value
"important people"; "the important questions of the day"