1. Containing or based on a fallacy
   "fallacious reasoning"
   - unsound 
2. Intended to deceive
   "fallacious testimony"
   - deceitful, fraudulent 
3. Based on an incorrect or misleading notion or information
   "fallacious hope"

See also: dishonest, dishonorable [US], dishonourable [Brit, Cdn], fallaciousness, fallacy, incorrect, invalid, wrong

Encyclopedia: Fallacious

• fictitious place
• fictitiously
• fictive
• Ficus
• Ficus aurea
• Ficus bengalensis
• Ficus carica
• Ficus carica sylvestris
• Ficus deltoidea
• Ficus diversifolia
• Ficus elastica
• Ficus religiosa
• Ficus rubiginosa
• Ficus sycomorus
• fid
• fiddle
• fiddle with
• fiddle-faddle
• fiddle-shaped
• fiddlehead
• fiddlehead fern
• fiddleneck
• fiddler
• fiddler crab
• fiddlestick