1. A specious but fallacious argument; a fallacy.

2. A fallacious argument.

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

• sophos,
• sophiste,
• sukhism,
• sophias,
• sophis,
• sophies,
• lokoism,
• salphism,
• shvaism,
• sophizm,
• ophism,
• sopism,
• sophim,
• sophise,
• esopiam,
• gipsism,
• scaphizm,
• shodyism,
• ophizm,
• syphonism

The adverb form of the word "sophism" is "sophistically".

The adjective form of the word "sophism" is "sophistic".

The plural of the "sophism" can be the "sophisms".

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