This is the 8376th most frequent Catalan word.
destensar
To loosen or relax tension.
Here, 'destensar' refers to the act of easing or relaxing muscles after tension.
Necessites destensar els músculs després d'exercitar-te.
You need to relax your muscles after exercising.
In this example, 'destensar' is used metaphorically for relieving stress or tension in the mind.
El terapeuta va ajudar-me a destensar la ment.
The therapist helped me to relax my mind.
In this context, 'destensar' implies mechanically loosening tension, specifically referring to the instrument's strings.