| Illicit stimulant, for short | 28 |
| Illicit use of authority | 24 |
| Illicit-spirits dealer | 22 |
| Illicitly distilled liquor | 26 |
| Illicitly distilled whiskey | 27 |
| Illicitly gained goods | 22 |
| Illinois border sharer | 22 |
| Illinois city near St. Louis | 28 |
| Illinois city near St.Louis | 27 |
| Illinois city or county | 23 |
| Illinois city, for short | 24 |
| Illinois clock setting | 22 |
| Illinois county or its seat | 27 |
| Illinois emo hair band? | 23 |
| Illinois governor Blagojevich | 29 |
| Illinois home of Caterpillar | 28 |
| Illinois junior senator | 23 |
| Illinois neighbor: Abbr. | 24 |
| Illinois or Colorado city | 25 |
| Illinois or Indiana city | 24 |
| Illinois rockers Sleeping ___ | 29 |
| Illinois senator Barack | 23 |
| Illinois senator Barack __ | 26 |
| Illinois senator Obama | 22 |
| Illinois test-marketing town | 28 |
| Illinois town near Champaign | 28 |
| Illinois's junior senator | 29 |
| Illinois's nickname | 23 |
| Illinois, Wisconsin, etc. | 25 |
| Illinois-based brewery | 22 |
| Illinois-based food giant | 25 |
| Illinoisan in the news | 22 |
| Illiterate signatory, perhaps | 29 |
| Illiterates' marks | 22 |
| Illiterates' signatures | 27 |
| Illness caused by plasmodia | 27 |
| Illness of unknown origin | 25 |
| Illness that is a swell time? | 29 |
| Illogical, as reasoning | 23 |
| Illuminated by a flame | 22 |
| Illuminated from above | 22 |
| Illuminated from behind | 23 |
| Illuminated from below | 22 |
| Illuminated indirectly | 22 |
| Illuminated radio studio sign | 29 |
| Illuminated studio sign | 23 |
| Illuminated, as old streets | 27 |
| Illuminated, as on stage | 24 |
| Illumination in a song | 22 |
| Illumination indication | 23 |
| Illuminator on a keychain | 25 |
| Illumined by brightest day | 26 |
| Illusion created by magicians | 29 |
| Illusion of familiarity | 23 |
| Illusion that misleads | 22 |
| Illusionary entertainment | 25 |
| Illusionary illustrator | 23 |
| Illusionist's effect | 24 |
| Illusionist's feat | 22 |
| Illusionist's genre | 23 |
| Illusionist's specialty | 27 |
| Illusionists' props | 23 |
| Illusory movement movement | 26 |
| Illusory painting genre | 23 |
| Illusory prospect of profit | 27 |
| Illusory sight on Mars | 22 |
| Illustrate by gestures | 22 |
| Illustrate, as a sentence | 25 |
| Illustrated directions | 22 |
| Illustration explanation | 24 |
| Illustration, for example | 25 |
| Illustration, for short | 23 |
| Illustrations and such | 22 |
| Illustrations for a Poe poem? | 29 |
| Illustrator and writer | 22 |
| Illustrator of Dante works | 26 |
| Illustrator Rockwell ___ | 24 |
| Illustrator Silverstein | 23 |
| Illustrator Tony et al. | 23 |
| Illustrator's goof | 22 |
| Illustrator's shortcut | 26 |
| Illustrator, for example | 24 |
| Illustrious Illinoisan | 22 |
| Illustrious Italian family | 26 |
| Ilmenite and chalcopyrite | 25 |
| Ilmenite and uraninite | 22 |
| Ils ___ (they are): Fr. | 23 |
| Ilsa's request to Sam | 25 |
| Ilse's "very" | 27 |
| iMac-to-iPhone connector | 24 |
| Image Awards presenter | 22 |
| Image capturer, briefly | 23 |
| Image consultant, for short | 27 |
| Image handlers, for short | 25 |
| Image in a Warhol masterwork | 28 |
| Image in Tiananmen Square | 25 |
| Image makers, initially | 23 |
| Image on a 1957 Soviet stamp | 28 |
| Image on a Jolly Roger | 22 |
| Image on a radar screen | 23 |