1. (specialist) a process in which gases expand or travel in a direction that is opposite to the usual one
   • ● blowback gas
   • ● Blowback may be caused by a defective mechanism.
2. (especially North American English) the results of a political action or situation that are not what was intended or wanted
   • ● The policy has led to blowback.
   • ● The war created a ferocious blowback.

[TahlilGaran] English Dictionary ▲