preventive

preventive is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.Tending to defeat or hinder; obviating; preventing the access of; as, a medicine preventive of disease. Physic is either curative or preventive. Sir T. Browne. Preventive service, the duty performed by the armed police in guarding the coast against smuggling. [Eng]
  2. 2.That which prevents, hinders, or obstructs; that which intercepts access; in medicine, something to prevent disease; a prophylactic.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

Reverse-dictionary questions

Definition-first questions whose answer is preventive.

Sources