1. A state of mental and emotional calm; peace of mind; serenity achieved through spiritual or psychological balance
Through meditation, she found tranquilidade interior.
Através da meditação, ela encontrou tranquilidade interior.
2. Freedom from worry, stress, or anxiety; a sense of well-being and contentment
He sought tranquilidade interior after years of turmoil.
Ele buscava tranquilidade interior após anos de turbulência.