The phrase "in danger of" can be used to describe situations where someone or something is at risk of harm, damage or loss. However, there are many synonyms that can be used to convey this same message. Some alternatives include phrases like "vulnerable to," "under threat of," "at risk for," "in peril of," "subject to," "liable to," and "prone to." Each of these options offers a slightly different nuance or shade of meaning, making them useful tools for writers and communicators to effectively convey the extent of a danger or risk. Regardless of the synonym used, the underlying message is clear: caution and care are needed to prevent harm.