Being subservient to someone or something refers to being obedient, submissive or deferential. However, it is always a good practice to have a rich vocabulary and explore different synonyms for the same word. Synonyms for "be subservient to" include being dependent, servile, slavish, compliant, acquiescent, subordinate, dutiful, and deferential. Other synonyms include being obsequious, compliant, sycophantic, acquiescent, yielding, respectful, and obedient. Using different synonyms adds variety and depth to a writer's work and offers readers a more nuanced understanding of the text. It also helps writers avoid repetition and create a more engaging and articulate article.