1. A boundary point or level that is unclear, uncertain, or open to multiple interpretations, where a transition or decision is difficult to determine precisely
The ambiguous threshold between acceptable and unacceptable behavior in social media remains poorly defined.
O limiar ambíguo entre o comportamento aceitável e inaceitável nas redes sociais permanece mal definido.
2. In scientific or technical contexts, a critical point where the transition from one state to another is not clearly marked or is subject to interpretation
The ambiguous threshold in the sensor readings made it difficult to determine when the alarm should activate.
O limiar ambíguo nas leituras do sensor dificultou a determinação de quando o alarme deveria ser ativado.