hartnäckiger
Hartnäckiger is a German adjective that translates to persistent, stubborn, or tenacious in English. It describes something or someone that is difficult to remove, overcome, or change. This can apply to a variety of situations. For instance, a hartnäckiger Husten refers to a persistent cough that doesn't go away easily. Similarly, a hartnäckiger Fleck is a stubborn stain that resists cleaning.
The term can also describe personality traits. A hartnäckige Person is someone who is determined and does