Slammerkin is a term that refers to a loose-fitting dress or a woman of loose morals. However, there are several words that can be used instead of slammerkin to avoid any pejorative connotations. For instance, a similar term that can be used is a shift or a chemise. Other synonyms for slammerkin include gown, frock, and dress. Better yet, consider using more specific words such as a sundress, cocktail dress, or evening gown. When referring to a woman's character, terms such as promiscuous or libertine can be utilized instead of slammerkin to avoid any negative associations. Choosing polite alternatives can help avoid offending others and promote respectful communication.