backfire

• Substantivo que designa a retorno de gases pela culatra de uma arma após o disparo, o estampido na descarga de um motor, o fogo controlado usado para conter um incêndio florestal, ou um plano cujo resultado é contrário ao desejado.

A noun referring to the backward escape of gases from a gun after firing, a loud noise from an engine's exhaust, a controlled fire set to stop an advancing wildfire, or a plan that produces an undesired result.

1. Gun backfireC1formal

   The backward escape of gases and unburned gunpowder after a gun is fired.

   Retorno de chama

   • The old rifle produced a loud backfire when it was discharged.
   • A backfire from the pistol startled everyone in the shooting range.
   • The soldier checked the weapon for a possible backfire.

   Sinônimosblowbackflashback

2. Engine backfireB2informaltechnical

   A loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine.

   Estouro no motor

   • The car's engine gave a sudden backfire as it started.
   • Motorcycles often produce a backfire when decelerating.
   • The mechanic diagnosed the backfire as a timing issue.

3. Controlled fireC1formalscientific

   A fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path.

   Fogo controlado

   • The firefighters set a backfire to stop the wildfire from spreading.
   • A backfire was used to protect the nearby village.
   • The crew carefully planned the backfire to ensure safety.

4. Unintended consequenceB2informal

   A miscalculation that recoils on its maker, resulting in an undesired effect.

   Efeito bumerangue

   • His plan to embarrass her backfired when she turned the tables.
   • The marketing campaign backfired and caused a public relations disaster.
   • Their attempt to cut costs backfired, leading to higher expenses.

   Sinônimosbacklashblowbackboomerangreboundrecoilrepercussion

• Verbo usado para indicar que um plano ou ação teve o efeito oposto ao esperado, muitas vezes resultando em consequência indesejada para quem o fez.

A verb used to indicate that a plan or action has the opposite effect of what was intended, often resulting in an undesirable outcome.

1. Adverse resultB2formal

   To have the opposite effect from what was intended, resulting in failure or harm.

   Efeito contrário

   • His plan to embarrass her backfired and made him look foolish.
   • The new policy backfired, causing more problems than it solved.
   • Their attempt to discredit the witness backfired when the evidence was proven false.

   Sinônimosboomerangmiscarrymisfirerebound

   Antônimossatisfysucceedwork

2. Engine noiseB2informaltechnical

   To produce a loud explosive sound in an internal combustion engine due to improper fuel combustion.

   Estouro no motor

   • The old truck backfired loudly as it started up.
   • The car's engine backfired, startling everyone nearby.
   • Motorcycles often backfire when the fuel mixture is too rich.

   Sinônimosbangcoughpop

3. Controlled fireC1formalscientific

   To set a deliberate fire to stop an advancing wildfire by creating a burned area in its path.

   Fogo controlado

   • Firefighters backfired to protect the town from the approaching wildfire.
   • The crew backfired along the ridge to create a firebreak.
   • They decided to backfire the area to prevent the forest fire from spreading.

   Sinônimosburn out