fireworthy adjective3 •Capable of preventing or surviving a fire.The investigator concluded that the vehicle was not sufficiently fireworthy. Still another expert concluded that the vehicle was not crashworthy, a design defect. — 2003 •Worthy of being fired (from a job); fireable.I can see no such difference and thus conclude—since Creed, Michael, and Jan are all equally blameworthy for a fire-worthy incident—they should all be fired. — 2011 •Worthy or capable of firing; able to be fired; combustible. formsmore fireworthy · most fireworthy