1. He who or that which exterminates.

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

• exsterminator,
• exterminater,
• aexterminater,
• exerminator,
• exterminaton,
• wxterminator,
• sxterminator,
• dxterminator,
• rxterminator,
• 4xterminator,
• 3xterminator,
• extermintor,
• extermiantor,
• extermanator,
• exterminitor,
• determiantor,
• determinnator,
• exterminatoru,
• extrminatory,
• extermintory

• exteriorization,
• exterminable,
• exteriorisation,
• exteriorise,
• exteriorize,
• extermination,
• exterritorial,
• exterminated,
• exothermic,
• exteroceptor,
• external organ,
• exterminate.

The adjective form of the word "exterminator" is "exterminatory".

The plural of the "exterminator" can be the "exterminators".

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