The word "flunkiest" means to fail or fall short of a desired standard. Some synonyms that can be used in place of "flunkiest" are "unsuccessful", "inadequate", "insufficient", "deficient", "inept", "unskilled", "incapable", "incompetent", and "substandard". These words can be employed to convey the same meaning as "flunkiest" in different contexts. For example, one can say, "Due to the incompetent leadership, the project outcome was in its flunkiest state." Alternatively, you can say, "The team's performance was substandard, and their flunkiest players were benched." Using these synonyms, one can have a more varied vocabulary and enhance their language skills.