When it comes to expressing oneself or writing creatively, finding synonyms for the phrase "most elaborating" can help to add variety and depth to one's language. Some alternatives to consider include "explaining in detail," "expanding on," "amplifying," "fleshing out," "developing," "elucidating," "clarifying," and "delving deeper." Each of these phrases can help to convey a sense of thoroughness and attention to detail, while also emphasizing the speaker or writer's commitment to providing a comprehensive explanation. Whether you're working on a written assignment or simply seeking new ways to express your thoughts, using synonyms can add interest and nuance to your speech or writing.