/ Dictionary / Index I illogicality: Meaning and Definition of Find definitions for: il•log•i•cal•i•ty Pronunciation: (i-loj"i-kal'i-tē), [key] — pl. -ties. illogic. an example of illogic: an argument notable for its illogicalities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: illogicality (Thesaurus) illogical ill-omened Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language