| Word | Definitions | Synonyms |
|---|---|---|
| illegality | (noun) unlawfulness by virtue of violating some legal statute | - |
| illegibility | (noun) the quality of writing (print or handwriting) that cannot be deciphered | - |
| illegitimacy | (noun) unlawfulness by virtue of not being authorized by or in accordance with law | - |
| (noun) the status of being born to parents who were not married | Synonyms: bar sinister, bastardy | |
| illegitimate | (noun) the illegitimate offspring of unmarried parents | Synonyms: bastard, by-blow, illegitimate child, love child, whoreson |