knife-edge

• Sustantivo que designa el filo de un cuchillo o, en sentido figurado, una situación límite o muy delicada cuyo resultado es incierto.

A noun referring to a very narrow boundary or a critical, precarious situation where the outcome is uncertain.

1. Narrow boundaryC1formal

   A very narrow or precarious boundary between two states or conditions, often implying a critical or tense situation.

   límite muy estrecho

   • The negotiations were balanced on a knife-edge between success and failure.
   • His life hung on a knife-edge after the accident.
   • The election result is on a knife-edge, with both candidates neck and neck.

   Sinónimosbrinkprecipiceverge