submissive
sub-mis-sive
adjective
Readily obeying others; showing a willingness to yield to authority or control.
"His submissive behaviour was evident in her presence."
Thesaurus
Synonyms: slavish, subservient, servile, dominated, groveling, grovelling, abject, spiritless, meek, wormlike, wormy, bowing
Antonyms: domineering