firebreaking noun 2adjective 1 noun2 •The activity of creating firebreaks.Generally, the forest, owing to the flatness of the country, lends itself to ideal subdivision into compartments and cheap firebreaking by horse-drawn graders. — 1928 •To direct media attention at a second story in order to minimize the impact of an embarrassing story. adjective1 •Acting as a firebreak.A chessboard of firebreaking hedges is, therefore, considered to be essential in any attempt to educate a population to protect their soil against bush fires. — 1955