1. Prohibitory.

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

• inhibtors,
• inhibiters,
• inhibatory,
• inhibiter,
• inhibtor,
• inhibiton,
• inhabitors,
• inhabitor,
• inhibators,
• onhibitor,
• inhibitro,
• unhibitory,
• inhibutory,
• inhibitiory,
• inhibitry,
• inhibitroy,
• bibitorey,
• rebibitory,
• inhibantry,
• Inhibiatory

• invidiously,
• inhibited,
• inhibiting,
• inhabit,
• inhibition,
• invitatory,
• inhibit,
• inhibitor,
• invidious.

The adjective form of the word "inhibitory" is "inhibitory".

The plural form of the word "inhibitory" is "inhibitories".

The singular form of the word "inhibitory" is "inhibitor"