Dadgummit is a mild swear word commonly used in Southeastern United States. Although it is not a vulgar term, some people might find it offensive. Fortunately, there are plenty of alternative words and phrases that can be used to express frustration or disappointment without resorting to dadgummit. Some synonyms for dadgummit include darn it, darn, geez, for Pete's sake, shoot, dang it, and dang. These words express the same sentiment as dadgummit but without using a potentially offensive term. No matter which word or phrase you choose, it's important to remember to use them in appropriate settings and situations to avoid offending others.