The phrase "wert out line" can be interpreted as "losing shape" or "becoming fuzzy." Synonyms for this phrase include "blurring," "dimming," "obscuring," or "fade out." These words all imply a loss of clarity or sharpness, and can be used in a variety of contexts. For example, a photo that is overexposed may "fade out" the details, while a hazy day can "blur" the landscape. Whether describing a physical object or an abstract concept, using synonyms for "wert out line" can help to add variety and nuance to your language.