• ready to conform to the authority or will of others; meekly obedient or passive

Synonyms: compliant, yielding, malleable, acquiescent, accommodating, amenable, tractable, manageable, unassertive, non-resisting, passive, obedient, biddable, dutiful, duteous, docile, ductile, pliant, meek, timid, mild, patient, resigned, forbearing, subdued, humble, self-effacing, spiritless, deferential, obsequious, servile, slavish, self-abasing, spineless, grovelling, lamblike, supine

• a person who takes the submissive role in BDSM sexual activities