- Ancestor - Going before - Preceding in time - Going before in time; prior; anterior; preceding; as,
an event antecedent to the Deluge; an antecedent cause. - Presumptive; as, an antecedent improbability. - That which goes before in time; that which precedes. - One who precedes or goes in front.
- Going before; preceding. - Tending to defeat or hinder; obviating; preventing the
access of; as, a medicine preventive of disease. - That which prevents, hinders, or obstructs; that which
intercepts access; in medicine, something to prevent disease; a
prophylactic.