The term 'BURNING UP' can be described by four different crossword solutions: AFIRE (5 letters), IRATE (5 letters), ONFIRE (6 letters), and INARAGE (7 letters). AFIRE is an adjective meaning to be on fire or burning. IRATE is an adjective meaning to be very angry. ONFIRE is an adverb meaning to be burning or blazing. INARAGE is an adjective meaning to be in a state of rage. All of these words describe the term BURNING UP, which can mean to be very angry, to be on fire, or to be blazing.