Superfluitant is a word that describes something that is unnecessary, excessive, or surplus. There are numerous synonyms that can be used instead of superfluitant, and these include redundant, redundant, extraneous, surplus, excess, unnecessary, spare, unneeded, needless, and unwanted. Each of these words carries a slightly different connotation depending on the context in which they are used. For example, while redundant and superfluous are very similar, redundancy suggests repetition, while superfluous suggests excess. Similarly, surplus suggests abundance, while unnecessary suggests a lack of necessity. When choosing the right synonym for superfluitant, it's important to consider the context and intended meaning of the message.