noun
invalid or incorrect reasoning
• Syn: ↑illogicality, ↑illogicalness, ↑inconsequence
• Ant: ↑logicalness (for: ↑illogicalness), ↑logicality (for: ↑illogicality)
• Derivationally related forms: ↑illogical (for: ↑illogicalness), ↑illogical (for: ↑illogicality)
• Hypernyms: ↑quality
• Hyponyms: ↑invalidity, ↑invalidness
Useful english dictionary. 2012.