| Word | Definitions | Synonyms |
|---|---|---|
| illegal | (adjective) prohibited by law or by official or accepted rules | - |
| illegible | (adjective) (of handwriting, print, etc.) not legible | - |
| illegitimate | (adjective) of marriages and offspring; not recognized as lawful | - |
| (adjective) contrary to or forbidden by law | Synonyms: illicit, outlaw, outlawed, unlawful |