The word "lous" is not very commonly used in modern English, but it typically refers to something that is of poor quality or of little value. However, there are a number of synonyms that can be used in its place, depending on the context. Some possible synonyms for "lous" include "inferior," "substandard," "shoddy," "wretched," "pathetic," "miserable," "paltry," "cheap," "second-rate," "low-quality," "unsatisfactory," and "feeble." Each of these words has slightly different connotations and shades of meaning, so it is important to choose the right synonym for the specific situation in which it is being used.