Interdictive refers to something that prohibits or prevents certain actions or behaviors. There are several synonyms for this word, including prohibitive, deterrent, restraining, preventative, and inhibitory. Each of these terms describes something that serves to limit or regulate certain conduct or activity. Prohibitive suggests a strict barrier or prohibition that is difficult to overcome, while deterrent implies something that discourages or dissuades certain actions. Restraining, preventative, and inhibitory all imply an obstacle or limitation that prevents or limits certain behavior. Regardless of the specific synonym used, each term emphasizes the notion of restriction or limitation when it comes to certain actions or behaviors.