determining factor

• Elemento clave o razón decisiva que en última instancia influye en una decisión, resultado o desenlace en una situación concreta.

The key element or decisive reason that ultimately influences a decision, outcome, or result in a particular situation.

1. Decisive elementB2formal

   The main reason or element that decides the outcome of a situation.

   factor decisivo

   • Cost was the determining factor in choosing the supplier.
   • Her experience was the determining factor for her promotion.
   • The weather will be the determining factor for the outdoor event.