When it comes to conveying unpleasant news, it's important to have a variety of words at your disposal. Some synonyms for "bad tidings" include "dire news," "unwelcome news," "grim tidings," "negative development," "troubling announcement," "distressing report," and "unfortunate updates." Depending on the severity or urgency of the news, other options might include "emergency alert," "pressing issue," or "urgent message." No matter the word you choose, it's essential to be clear and concise in your communication, while also taking the time to consider how to deliver the news with empathy and sensitivity.