Flunkier is a term that refers to a person who is a sycophant or a bootlicker. It is often used to describe someone who is excessively submissive or obedient, especially when it comes to pleasing others. There are several synonyms for the word flunkie, such as lackey, toady, minion, henchman, and yes-man. These terms all denote someone who is subservient to another person and willing to do whatever they are told. Additionally, some other synonyms that may be used for flunkie include suck-up, brown-noser, groveler, and groveller. All of these words convey a similar meaning to flunkie and are commonly used in the English language.