There are multiple synonyms for the phrase "no use," some of which include "futile," "pointless," "meaningless," "unsuccessful," "ineffectual," and "ineffective." All of these terms express a lack of utility or effectiveness, suggesting that a particular action or effort is not likely to produce positive results. Such phrases can be used in a variety of contexts, from personal endeavors to professional pursuits. For example, a marketing campaign that fails to generate significant interest or a workout regimen that fails to lead to physical improvements may both be described as "no use." By using synonyms for this phrase, writers and speakers can add variety and clarity to their language.