SUBSERV'IENT, a. [L. subserviens.] Useful as an instrument to promote a purpose;serving to promote some end. Hammond had an incredible dexterity, scarcely ever reading any thing which he did not make subservient in one kind or other.1. Subordinate; acting as a subordinate instrument. These are the creatures of God, subordinate to him, and subservient to his will. These ranks of creatures are subservient one to another.