1. That which prevents; an antidote previously taken. Preventive Service, the duty performed by the armed marines in guarding the coast against smuggling.

2. Tending to hinder.

3. Going before; preceding.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• proventive,
• preventitive,
• preventivive,
• provenitive,
• prevenative,
• preventin,
• prevente,
• preventig,
• perventive,
• preventave,
• preventiv,
• prevenitive,
• preventaive,
• preventitave,
• preventice,
• prevetative,
• prementive,
• preventied,
• preventetive,
• preventaitve

• proventil,
• propene,
• provence,
• privine,
• provenance,
• propensity,
• provincial,
• province,
• prevent,
• prevention,
• preventative,
• provencio,
• preventable,
• provender,
• Provance,
• prevenient.

The adverb form of "preventive" is "preventively".

The adjective form of "preventive" is "preventative".

The plural of the "preventive" can be the "preventives".

The singular of the "preventive" can be the "preventive".