| Hypo that leaks all over the place? | 35 |
| Hypoallergenic breed native to North America | 44 |
| Hypochondriac's preoccupation | 33 |
| Hypocrite in "Little Orphan Annie" | 44 |
| Hypotenuse-to-adjacent-side ratio | 33 |
| Hypothesis about major financial institutions? | 46 |
| Hypothesis about the origin of bracelets? | 41 |
| Hypothesis underlying the Swiss economy? | 40 |
| Hypothesized trans-Neptunian orbiter | 36 |
| Hypothetical eccentricities in time | 35 |
| Hypothetical feature of the space-time continuum | 48 |
| Hypothetical fundamental particle | 33 |
| Hypothetical particle in cold dark matter | 41 |
| Hypothetical particle, in physics | 33 |
| Hypothetical remedies for all ills | 34 |
| Hypothetical site of imagination | 32 |
| Hypothetical unit in theory of relativity | 41 |
| Hypothetical, as financial statements | 37 |
| Hyson served on playground equipment? | 37 |
| Hyundai introduced in the 2006 model year | 41 |
| I - I connector of palindromic fame | 35 |
| I and II, e.g., but not yet III and IV | 38 |
| I before E except after C, and others | 37 |
| I Can ___ Cheezburger? (lolcats weblog) | 39 |
| I Can't Believe It's Not Butter | 39 |
| I Can't Believe It's Not Butter, e.g. | 45 |
| I can't believe ____ the whole thing! | 41 |
| I Dream of Jeanie star Barbara | 33 |
| I Have ____: West Side Story song | 42 |
| I heard it through the grapevine | 32 |
| I Like ___ ('50s campaign slogan) | 37 |
| I Like ___ (presidential slogan) | 32 |
| I majored in demolitions because it __ | 38 |
| I should not be in it, according to an adage | 44 |
| I wander, backing New Zealander (5) | 35 |
| I ___ (third baseman in Abbott-Costello skit) | 45 |
| I ___ Pi (playful fraternity name) | 34 |
| I ___ Tenori (Domingo, Carreras and Pavarotti) | 46 |
| I'd be the happiest boy alive . . . | 39 |
| I'll always remember you, so . . . | 38 |
| I'VE GOT COUNTRY'S MIND SPLIT | 37 |
| I've Gotta ____ : Peter Pan song | 44 |
| I, O or U, but not A or E: Abbr. | 32 |
| I-95 comprises most of it in N.J. | 33 |
| I-I connector of palindromic fame | 33 |
| I-shaped building piece, when turned on its side | 48 |
| I. Bergman's 1956 Oscar film | 32 |
| I. M. Pei's alma mater, for short | 37 |
| I. S. Cobb's "___ Laughing" | 41 |
| I.B.M. processor type found in Nintendo's Wii | 49 |
| I.M. with family members in China? | 34 |
| I.Q. recordholder Marilyn ___ Savant | 36 |
| Iacocca's successor at Chrysler | 35 |
| Iago frames him, in "Othello" | 39 |
| Iamamiwhoami song that will stick together? | 43 |
| Ian and Sylvia hit "Lovin' ______" | 48 |
| Ian Fleming's sixth James Bond novel | 40 |
| Ian Frazier book "On the ___" | 39 |
| Ian of "Chariots of Fire" | 35 |
| Ian of "Strangers With Candy" | 39 |
| Ian of "The Da Vinci Code" | 36 |
| Ian of "The Lord of the Rings" | 40 |
| Ian Thomas song about untrue people | 35 |
| Ian who's Blackbeard in a 2011 movie | 40 |
| Ibaka of the Oklahoma City Thunder | 34 |
| Iberian land, in Olympic shorthand | 34 |
| Iberian territory with a famous rock: Abbr. | 43 |
| Ibert's "Ports of ___" | 36 |
| Ibert's "___ d'Yvetot" | 40 |
| Ibert's "___ of Call" | 35 |
| IBM computer introduced in the '90s | 39 |
| IBM computer that won on 'Jeopardy!' | 44 |
| IBM desktop failure of the 1980s | 32 |
| IBM's old chess-playing computer | 36 |
| IBM's slogan, in ye olden times | 35 |
| IBM/Apple product starting in the early '90s | 48 |
| Ibsen play with the most flowery language? | 42 |
| Ibsen's ''Peer ___'' | 40 |
| Ibsen's "An ___ of the People" | 45 |
| Ibsen's "An __ of the People" | 43 |
| Ibsen's "An ___ of the People" | 44 |
| Ibsen's "Hedda ___" | 33 |
| Ibsen's "Peer ___" | 32 |
| Ibsen's "The Master ___" | 38 |
| Ibsen's "The ___ Builder" | 39 |
| Ibsen's "__ Gabler" | 33 |
| Ibsen's "___ Builder" | 35 |
| Ibsen's "___ Gabler" | 34 |
| Ibsen's "___ Gynt" | 32 |
| Ibsen's "___ House" | 33 |
| Icarus' artificial appendage | 32 |
| Ice Bucket Challenge cause: Abbr. | 33 |
| Ice climber's quest, perhaps | 32 |
| Ice column on a glacier (RACES anagram) | 39 |
| Ice cream brand (with "Dazs") | 39 |
| Ice cream brand that's "Grand" | 44 |
| Ice cream company founder Joseph | 32 |
| Ice cream dishes with fruit sauces | 34 |
| Ice cream drinks on loan to developing countries? | 49 |
| Ice cream eater's cone, perhaps | 35 |