decline in quality

• Phrase décrivant une détérioration progressive ou notable du niveau, de l'état ou de la qualité de quelque chose, par exemple un produit, un service ou une compétence.

A phrase describing a gradual or noticeable reduction in the standard, condition, or excellence of something, such as a product, service, or skill.

1. DeteriorationB2formal

   A gradual decrease in the standard, condition, or value of something.

   déclin de qualité

   • There has been a noticeable decline in quality of the products recently.
   • The restaurant experienced a decline in quality after changing chefs.
   • The decline in quality of the air is a major concern.