1. One who holds to optimism.

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

• optmism,
• optimisum,
• optimase,
• optomism,
• optismism,
• optisism,
• optemist,
• optimistc,
• optmist,
• optomist,
• optimiser,
• optismict,
• optimisit,
• optimisam,
• optimse,
• opptimist,
• optimis,
• optimised,
• optmost,
• optomists

• optimise,
• ophidian,
• optimism,
• option,
• optimize,
• optimum,
• optimistic,
• optimal,
• optional.

The adjective form of the word "optimist" is "optimistic".

The plural of the "optimist" can be the "optimists".

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