In-effectualities refer to the qualities or attributes that render something useless, ineffective, or failing to achieve the goals it aimed for. Some synonyms of in-effectualities include ineffectiveness, inefficiency, inadequacy, weakness, incapability, feebleness, impotence, and futility. Additionally, the term hollowness, frivolousness, pointlessness, and worthlessness can also be used to describe in-effectualities. The use of these synonyms helps to provide a clear and concise language while describing the lack of effectiveness in something. Whether used in personal or professional contexts, these words help convey a message of ineffectiveness with a degree of precision that makes the intended meaning unmistakable.