Superficial effort can be replaced with various synonyms that will help convey the same meaning in a more precise way. Some of the synonyms for superficial effort include perfunctory, cursory, superficial, half-hearted, lackluster, and haphazard. Perfunctory suggests a lack of enthusiasm or care. Cursory implies a rush and lack of attention to detail. Superficial indicates a lack of depth or thoroughness, while half-hearted implies a lack of commitment or enthusiasm. Lackluster suggests a dull or uninspired effort while haphazard suggests a disorganized approach. By using these synonyms, one can accurately describe an inadequate effort and emphasize the need for improvement.