Burning, lit, on fire.
Often followed by with: shining with light; luminous, radiant; also, brightly coloured; vivid.
Aglow with activity or emotion.
Of an electrical light source: switched on and emitting light.
Often followed by on or upon: to find by accident; to chance upon, to come upon.
Often followed by from or off: to get off an animal which one has been riding; to dismount; to descend or exit from a vehicle; hence, to complete one's journey; to stop.
Often followed by at, on, or upon: of something aloft: to descend and settle; to land, to lodge, to rest.
Chiefly in set alight: in flames, on fire; aflame.
Capable of burning; easily set on fire.
Incapable of burning; not easily set on fire.
Easily excited; set off by the slightest excuse; easily enraged or inflamed.
Any inflammable substance.