| Inner wall of a trench | 22 |
| Inner tubes, topologically | 26 |
| Inner tubes, geometrically | 26 |
| Inner torment so to speak | 26 |
| Inner personality, to Jung | 26 |
| Inner personality to Jung | 25 |
| Inner part of an ear of corn | 28 |
| Inner part of a temple | 22 |
| Inner part of a golf ball | 25 |
| Inner part of a corn ear | 24 |
| Inner layers of some shells | 27 |
| Inner layer of the skin | 23 |
| Inner city, informally | 22 |
| Inner city smarts (2007) | 24 |
| Inner circle, in astronomy | 26 |
| Inner in combinations | 22 |
| Innards of some clocks | 22 |
| Innards of electronic gadgets | 29 |
| Inn patron's companion? | 27 |
| Inn for young travelers | 23 |
| Inmates' exercise area | 26 |
| Inmate's recognition? | 25 |
| Inmate's early release | 26 |
| Inmate with no hope of parole | 29 |
| Inmate heading downstairs? | 26 |
| Inmate dining section? | 22 |
| Inlet that let in mistakes? | 27 |
| Inlet off northern Russia | 25 |
| Inlet of the Coral Sea | 22 |
| Inlays of tiles or stones | 25 |
| Inlay with gold or silver | 25 |
| Inland sea of central Asia | 26 |
| Inland sea near Kazakhstan | 26 |
| Inland sea in northern Canada | 29 |
| Inlaid-stone decorations | 24 |
| Inlaid furniture decorations | 28 |
| Inlaid furniture decoration | 27 |
| Ink-colored, in Shakespeare | 27 |
| Ink, mustard, lipstick, etc. | 28 |
| Ink's color, to Browning | 28 |
| Ink __: octopus defense | 23 |
| Ink for temporary tattoos | 25 |
| Ink for a laser printer | 23 |
| Injury-monitoring org. | 22 |
| Injury-case result, perhaps | 27 |
| Injury's aftermath | 22 |
| Injury treatment brand | 22 |
| Injury that needs to knit | 25 |
| Injury from Fluffy, perhaps | 27 |
| Injury from an extinct bird? | 28 |
| Injury application, sometimes | 29 |
| Injurious encroachments | 23 |
| Injuries near beehives | 22 |
| Injures with a pencil, say | 26 |
| Injured, in baseball lingo | 26 |
| Injured, in a French phrase | 27 |
| Injured with a cavalry sword | 28 |
| Injured in the corrida | 22 |
| Injured in the bullring | 23 |
| Injured athlete's regimen | 29 |
| Injured arm's support | 25 |
| Injured anew, as a ligament | 27 |
| Injured 2009 athlete, likely | 28 |
| Injure with a pitchfork | 23 |
| Injure again, as a ligament | 27 |
| Injection units, for short | 26 |
| Injection reactions, maybe | 26 |
| Injection into the vain? | 24 |
| Injection interjection | 22 |
| Inits. on some underwear | 24 |
| Inits. on old typewriters | 25 |
| Inits. on N.Y.C. buses | 22 |
| Inits. on many A.T.M.'s | 27 |
| Inits. on discounted mdse. | 26 |
| Inits. on Big Apple engines | 27 |
| Inits. on an invitation | 23 |
| Inits. on a toothpaste tube | 27 |
| Inits. on a toothpaste box | 26 |
| Inits. on a Soyuz rocket | 24 |
| Inits. on a rush order | 22 |
| Inits. on a navy vessel | 23 |
| Inits. on a naval vessel | 24 |
| Inits. on a mail truck | 22 |
| Inits. on a gravestone | 22 |
| Inits. on a food carton | 23 |
| Inits. on a Card's cap | 26 |
| Inits. of Ford's VP | 23 |
| Inits. of a teaching group | 26 |
| Inits. in the Fortune 500 | 25 |
| Inits. in the classifieds | 25 |
| Inits. in Navy ship names | 25 |
| Inits. in music licensing | 25 |
| Inits. in long distance | 23 |
| Inits. in home financing | 24 |
| Inits. in children's lit | 28 |
| Inits. in bowling lanes | 23 |
| Inits. in bouquet delivery | 26 |
| Inits. in a military address | 28 |
| Inits. in a 1948 upset | 22 |
| Inits. in 1940's news | 25 |