The word "one-star" is typically used to describe a rating or review that is lower than average, indicating poor quality or performance. Synonyms for this term include "poor," "subpar," "mediocre," "below standard," and "unsatisfactory." These words are often used to describe products, services, or experiences that did not meet expectations or failed to deliver on promises. Other synonyms for "one-star" include "disappointing," "unsatisfying," "inferior," and "deficient." These words can be useful when expressing negative opinions or dissatisfaction about a particular item or experience. By using varied synonyms for "one-star," individuals can better communicate their assessments of quality and performance.