abjectly submissive; characteristic of a slave or servant; "slavish devotion to her job ruled her life"; "a slavish yes-man to the party bosses"- S.H.Adams; "she has become submissive and subservient"

compliant and obedient to authority; "editors and journalists who express opinions in print that are opposed to the interests of the rich are dismissed and replaced by subservient ones"-G. B. Shaw

Fitted or disposed to subserve; useful in an inferior capacity; serving to promote some end; subordinate; hence, servile, truckling.