The phrase "delicate subject" refers to a topic or issue that requires sensitivity and caution when discussed. When trying to find a synonym for this phrase, one can consider using alternative phrases such as "controversial topic," "sensitive matter," "uncomfortable issue," or "awkward subject." These phrases convey a similar meaning but may be more appropriate depending on the context. Other synonyms for "delicate subject" include "taboo topic," "emotive issue," or "touchy subject." By using synonyms, one can avoid repeating the same phrase and convey the intended meaning in a more nuanced manner.