Meaning of “burning” - Learner’s Dictionary

burning

adjective uk us /ˈbɜːnɪŋ/

very hot:

the burning heat of the midday sun
burning ambition/desire, etc

a very strong need to do something

a burning issue/question

a subject or question that must be dealt with or answered quickly

(Definition of “burning” from the Cambridge Learner’s Dictionary © Cambridge University Press)