illegality
Word family (noun) legality ≠ illegality legalization legalese illegal (adjective) legal ≠ illegal legalistic (verb) legalize (adverb) legally ≠ illegally
From Longman Business Dictionaryillegalityil‧le‧gal‧i‧ty /ˌɪlɪˈgæləti/ noun (plural illegalities)LAW1[uncountable] the state of being illegalthe illegality of loans to illegitimate regimes2[countable] an illegal actThere is so much chaos on trading floors that proving illegalities is difficult.