Robustez (en. Sturdiness)

/ro-bus-'tez/

Slang Meanings

Unbreakable strength in physical or emotional terms.
That guy has a robustness that makes him unstoppable in the gym.
Ese tipo tiene una robustez que lo hace imparable en el gimnasio.
Ability to withstand criticism or adversities without falling.
That girl has a mental robustness that makes her stand out.
Esa chica tiene una robustez mental que la hace destacar.