Uncontained is a word used to express something that is not restrained, controlled, or confined. If you're looking for synonyms for this word, there are a few options you could consider. Words like uncontrolled, unrestrained, unchecked, unbridled, and unbounded are a few possible synonyms for the term uncontained. Other words like unrestricted, unhampered, unlimited, and unfettered are also good alternatives to consider. These words can help you to convey the same meaning as uncontained but in slightly different ways depending on the context of your sentence. Whether you're writing a formal document or something more casual, using synonyms can help you to add variety to your language and enhance your message.