The word dysfunctionality is used to describe something that isn't working well or functioning properly. There are several synonyms for this word, including malfunction, disorder, flaw, problem, and inadequacy. Each of these words describes a situation where something is not working at its best, either due to a technical issue or a more systemic problem. Other synonyms for dysfunctionality might include breakdown, disruption, or imbalance, depending on the context. Ultimately, the choice of synonym will depend on the specific situation being described, but all of these words convey a sense of something being out of order or not operating effectively.