Uninvitedly is an adverb that refers to an action or event that occurs without being invited or welcomed. Some synonyms for uninvitedly are unexpectedly, abruptly, suddenly, or without warning. Other alternatives include unsolicitedly, unannounced, impromptu, and unanticipatedly. These words describe when something happens without being planned or intended, like an uninvited visitor or an unexpected phone call. In some cases, uninvitedly can also mean rudely or inappropriately, so other synonyms, such as impolitely, disrespectfully, or presumptuously, may be more suitable. It's important to choose the right synonym to accurately convey the intended meaning in a sentence or situation.