SUBSERVIENT
slavish, subservient, submissive
(adjective) 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”
implemental, instrumental, subservient
(adjective) serving or acting as a means or aid; “instrumental in solving the crime”
subservient
(adjective) 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
Source: WordNet® 3.1
Etymology
Adjective
subservient (comparative more subservient, superlative most subservient)
Useful in an inferior capacity.
Obsequiously submissive.
Source: Wiktionary
Sub*serv"i*ent, a. Etym: [L. subserviens, -entis, p.pr. See
Subserve.]
Definition: Fitted or disposed to subserve; useful in an inferior capacity;
serving to promote some end; subordinate; hence, servile, truckling.
Scarce ever reading anything which he did not make subservient in one
kind or other. Bp. Fell.
These ranks of creatures are subservient one to another. Ray.
Their temporal ambition was wholly subservient to their proselytizing
spirit. Burke.
Source: Webster’s Unabridged Dictionary 1913 Edition