Longman Dictionary of Contemporary English - ablaze

~ adj 1 be ablaze to be burning with a lot of flames, often causing serious damage  (Within minutes the whole house was ablaze.) set sth ~ (=make something burn a lot)  (A tanker was set ablaze in the gunboat attack.) 2 filled with a lot of bright light or colour  (a passing pleasure-boat, with all its lights ablaze)  (Her yard was ablaze with summer flowers.) 3 ablaze with anger/enthusiasm/excitement etc very angry, excited etc about something  (- see also blaze2)