| Indoor dipole antenna, colloquially | 35 |
| Indoor fixtures in a famous Italian tower? | 42 |
| Indoor game much seen on English TV | 35 |
| Indoor site of balls and strikes | 32 |
| Indoor space filled with sandbags? | 34 |
| Induce to do something using deceit | 35 |
| Inducement in an employer's ad | 34 |
| Inductee to the Hockey Hall of Fame at age 31 | 45 |
| Indulge in "retail therapy" | 37 |
| Indulge in character assassination? | 35 |
| Indulge in reckless, youthful behavior | 38 |
| Indulge in some spirited action? | 32 |
| Indulge in some terrible TV masochistically | 43 |
| Indulge, with ''to'' | 36 |
| Indulged (oneself) in self-satisfaction | 39 |
| Indulges to the extreme, informally | 35 |
| Industrial city near Düsseldorf | 34 |
| Industrial city of east central China | 37 |
| Industrial city of the Ruhr Valley | 34 |
| Industrial city on Lake Michigan | 32 |
| Industrial Light and Magic creator | 34 |
| Industrial meat byproduct, pink ___ | 35 |
| Industrial pollutants banned in 1975 | 36 |
| Industrial power community, once | 32 |
| Industrial Revolution inventions | 32 |
| Industrial Revolution power source | 34 |
| Industrial Revolution-era power source | 38 |
| Industrialist Lee's favorite drink? | 39 |
| Industrialist who encourages strikes? | 37 |
| Industrialist's deg., perhaps | 33 |
| Industrious employee's bonus | 32 |
| Industry built around shooting stars? | 37 |
| Industry group formed in '52 (abbr.) | 40 |
| Industry in Las Vegas and Atlantic City | 39 |
| Industry pioneered by Ben Franklin | 34 |
| Industry representatives (Abbr.) | 32 |
| Industry with projected revenue? | 32 |
| Indy 500 winner Mears: 1979 and 1984 | 36 |
| Indy 500 winners Unser and Unser Jr. | 36 |
| Indy runner-up: '77 and '78 | 35 |
| Inedible fruit that looks like a brain | 38 |
| Inedible parts of a butchered animal | 36 |
| Inedible-pizza magnate Herman and his family | 44 |
| Inefficient way to harvest sugar? | 33 |
| Ineligible for children's prices | 36 |
| Ineligible for kiddie prices, say | 33 |
| Inept barbarian created by Sergio Aragonés | 45 |
| Inept individual, stereotypically | 33 |
| Ineptly prepared mess hall offering? | 36 |
| Inevitably short story of a track event? | 40 |
| Inexpensive extermination device | 32 |
| Inexpensive Sherlock Holmes job? | 32 |
| Inexperienced newspaper employees | 33 |
| Inexperienced shucker, at times? | 32 |
| Infamous "Jeopardy!" champion Arthur | 46 |
| Infamous ball toucher of the '00s | 37 |
| Infamous booze boss in the 20's | 35 |
| Infamous family cited by Machiavelli | 36 |
| Infamous family of the late 1800s | 33 |
| Infamous fiddler of ancient times | 33 |
| Infamous first name among hoteliers | 35 |
| Infamous nuclear site, for short | 32 |
| Infamous settler on Galveston Island, 1817 | 42 |
| Infamous Valentine's Day event | 34 |
| Infant cupid in Italian paintings | 33 |
| Infant in his or her first month | 32 |
| Infant on the first "TV Guide" cover | 46 |
| Infant's dresses, Victorian style | 37 |
| Infant's place on an auto trip | 34 |
| Infantry officer's half-pike | 32 |
| Infants "in the woods" | 32 |
| Infatuated with (with "over") | 39 |
| Infection fighter that comes from a neck gland | 46 |
| Infections of some sebaceous glands | 35 |
| Infectious disease that causes a rash | 37 |
| Inferior salad dressing ingredient? | 35 |
| Inferior tour vehicle for Snoop Dogg? | 37 |
| Inferior, as a product, slangily | 32 |
| Inferred cosmic substance (Russian) | 35 |
| Infestation with them is called pediculosis | 43 |
| Infield surrounder at a horse track | 35 |
| Infielder who plays in the House That Ruth Built | 48 |
| Infielder's warm-up exercise | 32 |
| Infielders and outfielders make them | 36 |
| Infielders' stats, for short | 32 |
| Infinitely repeated geometric pattern | 37 |
| Infinitesimal division of a min. | 32 |
| Infinitesimal fraction of a min. | 32 |
| Infinitesimal time period: Abbr. | 32 |
| Infiniti's infinity symbol, e.g. | 36 |
| Inflammation of the respiratory tract | 37 |
| Inflammatory condition of the skin | 34 |
| Inflammatory elevation of the skin | 34 |
| Inflatable pilot in "Airplane!" | 41 |
| Inflated currency of the 20's | 33 |
| Inflation-fighting org. during WWII | 35 |
| Influence (with ''on'') | 39 |
| Influence that's derived from injury? | 41 |
| Influential '80s hardcore label | 35 |
| Influential 17th/18th-century theologian | 40 |