mental breakdown

Translations
нервный срыв
After the stressful week, he had a mental breakdown.
После напряжённой недели у него случился нервный срыв.
Definitions
A mental breakdown is a period of intense mental distress or emotional instability, often characterized by an inability to function in daily life due to overwhelming stress, anxiety, or depression.
Words
breakdown

noun
поломка
mental

adjective
умственный