fallacy /falˈə-si/

1. An apparently genuine but really illogical argument
2. Deceptive appearance
3. Deception or deceitfulness (obsolete)
4. A wrong but prevalent notion

fallacious /fə-lāˈshəs/ adjective

1. Of the nature of (a) fallacy
2. Deceptive
3. Misleading
4. Not well-founded
5. Causing disappointment

fallāˈciously adverb

• retro
• retro-
• Retro
• retroact
• retroacted
• retroacting
• retroaction
• retroactions
• retroactive
• retroactive inhibition
• retroactive interference
• retroactively
• retroactivities
• retroactivity
• retroacts
• retrobulbar
• retrocede
• retroceded
• retrocedent
• retrocedes
• retroceding
• retrocession
• retrocessionaire
• retrocessions
• retrocessive