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Adjective: preventive  pri'ven-tiv
  1. Preventing or contributing to the prevention of disease
    "preventive medicine";
    - preventative, prophylactic
     
  2. Tending to prevent or hinder
    - preventative
Noun: preventive  pri'ven-tiv
  1. Remedy that prevents or slows the course of an illness or disease
    "the doctor recommended several preventives";
    - preventative, prophylactic
     
  2. Any obstruction that impedes or is burdensome
    - hindrance, hinderance, hitch, preventative, encumbrance, incumbrance, interference
     
  3. An agent or device intended to prevent conception
    - contraceptive, preventative, contraceptive device, prophylactic device, birth control device

Derived forms: preventives

See also: blockading, clogging, deterrent, frustrating, frustrative, healthful, hindering, impeding, obstructive, obviating, precautional, precautionary, preclusive, preemptive, pre-emptive, prohibitive, prohibitory, protective, thwarting

Type of: curative, cure, device, impediment, impedimenta, obstructer, obstruction, obstructor, remedy, therapeutic

Antonym: permissive