1. The point at which something breaks, fails, or gives way under pressure or stress
The constant criticism finally reached his cracking point.
A crítica constante finalmente chegou ao seu ponto de ruptura.
2. In materials science, the threshold stress at which a material begins to crack or fracture
The engineer tested the metal to find its cracking point.
O engenheiro testou o metal para encontrar seu ponto de ruptura.
3. The moment when someone loses emotional control or breaks down
After months of stress, she finally reached her cracking point.
Após meses de estresse, ela finalmente chegou ao seu limite.