flame

nouns

the process of combustion of inflammable materials producing heat and light and (often) smoke
"fire was one of our ancestors' first discoveries"

verbs

shine with a sudden light
"The night sky flared with the massive bombardment"
see also
be in flames or aflame
"The sky seemed to flame in the Hawaiian sunset"
is derived from
is a type of (narrower)
undergo combustion
"Maple wood burns well"
criticize harshly, usually via an electronic medium
"the person who posted an inflammatory message got flamed"
is a type of (narrower)
censure severely
"She chastised him for his insensitive remarks"