(of a gun, cannon, Bunsen burner, etc.) To fire in the opposite direction, for example due to an obstruction in the barrel.

(firefighting) Alternative spelling of back fire

plural of backfire

Third-person singular simple present indicative form of backfire

simple past tense and past participle of backfire

present participle of backfire

A failure that leads to further misfortune. / The occurrence of a backfire.

plural of backfiring

plural of backfire effect

The finding that, faced with evidence that contradicts their beliefs, people can reject the evidence and believe even more strongly.