1. One who regards the present system or constitution of things as radically bad.

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

• pescimism,
• passifist,
• pessimisum,
• pessemists,
• pestimest,
• pestimism,
• pessamist,
• pessimisim,
• pessimissm,
• pessamism,
• pessimisic,
• pessemist,
• pesimists,
• pessemism,
• pesimist,
• pessamists,
• pesamist,
• pesimism,
• pessismism,
• persisist

• pessimism,
• pessimistic.

The adjective form of the word "pessimist" is "pessimistic".

The plural of the "pessimist" can be the "pessimists".

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