-ēəs adjective
Etymology: Middle English, from Latin obsequiosus, from obsequium compliance (from obsequi to yield, from ob- to, toward, over + sequi to follow) + -osus -ose — more at ob- , sue
1.
a. : exhibiting ready and proper compliance to the will of another : prompt and dutiful in attendance on the wishes of one in authority
b. obsolete : dutiful in regard to the dead and in the proper and appropriate performance of obsequies
2. : meanly or servilely attentive : compliant to excess : exhibiting a servile and sycophantic complaisance
an obsequious toady
fawning obsequious behavior
Synonyms: see subservient