| Intentionally easy-to-beat adversaries | 38 |
| Intentionally kept concealed, as a motive | 41 |
| Intentionally lay off the fats and sweets | 41 |
| Intentionally so written, in a quote | 36 |
| Inter ___ (amongst other things) | 32 |
| Inter-office communicator, often | 32 |
| Interactive features of starbucks.com? | 38 |
| Interactive part of some Web pages | 34 |
| Intercept a conversation, in a way | 34 |
| Interchangeable with, with "the" | 42 |
| Intercity passenger service created by Congress | 47 |
| Interconnected operations (Abbr.) | 33 |
| Interest group, with "the"? | 37 |
| Interest of a knight in shining armor | 37 |
| Interest-lowering option, briefly | 33 |
| Interested in world conquest at all costs, say | 46 |
| Interesting but unknown part of a tale | 38 |
| Interfraternity council prez, e.g. | 34 |
| Intergalactic bounty hunter Boba ___ | 36 |
| Intergalactic visitors, for short | 33 |
| Interior decorator's concern | 32 |
| Interior decorator's suggestion | 35 |
| Interior designer's creation | 32 |
| Interior designer's expertise | 33 |
| Interjection added to the O.E.D. in 2001 | 40 |
| Interjection for droppers and spillers | 38 |
| Interjection from Beaver Cleaver | 32 |
| Interjection heard while dusting | 32 |
| Interjection in 'Cathy' comics | 38 |
| Interjection re a sudden disappearance | 38 |
| Interjection that may precede a bow | 35 |
| Interjection upon a mouse-sighting | 34 |
| Interjection upon seeing a mouse | 32 |
| Intermediary (or a title for this puzzle) | 41 |
| Intermediary between a do and two diddies? | 42 |
| Intermediary between God and Muhammad | 37 |
| Intermittently, after "off" | 37 |
| Internal color of a medium steak | 32 |
| Internal combustion engine system | 33 |
| Internal company info-sharing system | 36 |
| Internal device on most cellphones | 34 |
| Internal investigation, for short? | 34 |
| Internal layer of a mollusk shell | 33 |
| Internal Revenue Service investigation | 38 |
| Internal Security Act sponsor: Abbr. | 36 |
| Internal-combustion engine, for short | 37 |
| International agreement since 1864 | 34 |
| International aid org.: 1943–47 | 38 |
| International alliance dissolved in 1977 (abbr.) | 48 |
| International baseball powerhouse | 33 |
| International Bowling Hall of Fame site | 39 |
| International Boxing Hall of Fame charter member | 48 |
| International chain of fusion cuisine restaurants | 49 |
| International coalition of finance ministers | 44 |
| International Committee of the Red Cross, e.g. | 46 |
| International communities with shared interests | 47 |
| International contest with a cosmic name | 40 |
| International cooperation of a sort | 35 |
| International Court of Justice setting | 38 |
| International court site (with "The") | 47 |
| International court site, with "The" | 46 |
| International cricket competition | 33 |
| International Day of the Girl Child org. | 40 |
| International easing of tensions | 32 |
| International food company based in Paris | 41 |
| International furniture retailer | 32 |
| International group annulled restraint | 38 |
| International Harvester vehicle maker | 37 |
| International magazine founded in France in 1945 | 48 |
| International Masturbation Month | 32 |
| International Motorsports Hall of Fame location | 47 |
| International Museum of Cartoon Art founder, 1974 | 49 |
| International oil and gas giant, informally | 43 |
| International Olympics chief Jacques | 36 |
| International org. with 195 members | 35 |
| International pageant competitor | 32 |
| International powerhouse in cricket | 35 |
| International Red Cross, e.g.: Abbr. | 36 |
| International retailer whose name is an acronym | 47 |
| International Space Station precursor | 37 |
| International Space Station predecessor | 39 |
| International Style architect Aalto | 35 |
| International Talk Like a Pirate Day mo. | 40 |
| International Tennis Hall of Fame inductee | 42 |
| International Tennis Hall of Fame inductee, 2004 | 48 |
| International Tennis Hall of Fame's Gibson | 46 |
| International Tennis Hall-of-Famer Nastase | 42 |
| International travel guide publisher | 36 |
| International traveler's concern | 36 |
| International traveler's need | 33 |
| International traveler's permit | 35 |
| International Washington neighborhood | 37 |
| International Year of Astronomy year | 36 |
| International young men's club | 34 |
| International, cafeteria and family | 35 |
| Internet "phone book": Abbr. | 38 |
| Internet abbr. that rarely seems to be sincere | 46 |
| Internet access option, for short | 33 |
| Internet access variety, for short | 34 |
| Internet acronym rarely meant literally | 39 |