| In custody | 10 |
| In custody of, as a library patron | 34 |
| In cut time, musically | 22 |
| In danger | 9 |
| In danger at layoff time, perhaps | 33 |
| In danger of | 12 |
| In danger of being drafted | 26 |
| In danger of being sued | 23 |
| In danger of falling off | 24 |
| In danger of snapping | 21 |
| In darkness | 11 |
| In days ahead | 13 |
| In days gone by | 15 |
| In days of --- | 14 |
| In days of knights? | 19 |
| In days of old | 14 |
| In days of yore | 15 |
| In days of ___ | 14 |
| In days of ___ (in times past) | 30 |
| In days past | 12 |
| In debt | 7 |
| In debt due to an inaccurate tax return? | 40 |
| In debt no more | 15 |
| In debt up to one's eyeballs | 32 |
| In decent shape | 15 |
| In decline | 10 |
| In deep trouble | 15 |
| In deep water? | 14 |
| In demand | 9 |
| In der ___ (close by, in Bonn) | 30 |
| In Design measurement | 21 |
| In desperate need of a towel | 28 |
| In desperate need of cash | 25 |
| In desperate need of help | 25 |
| In desperate need of irrigation | 31 |
| In desperate need of money | 26 |
| In desperate need of resupply | 29 |
| In desperate need of water | 26 |
| In desperate straits | 20 |
| In desperation | 14 |
| In detail | 9 |
| In detention | 12 |
| In development | 14 |
| In development, as software | 27 |
| In different form | 17 |
| In different places | 19 |
| In difficulty | 13 |
| In dire -- | 10 |
| In dire need | 12 |
| In dire need of gas | 19 |
| In dire need of gas, say | 24 |
| In dire need of recharging | 26 |
| In dire need of water | 21 |
| In dire straits | 15 |
| In dire ___ | 11 |
| In direct competition | 21 |
| In direct confrontation | 23 |
| In direct contact | 17 |
| In direct descent | 17 |
| In direct opposition | 20 |
| In direr straits | 16 |
| In disagreement | 15 |
| In disarray | 11 |
| In disgrace | 11 |
| In disguise (Abbr.) | 19 |
| In disorder | 11 |
| In disorder; upset | 18 |
| In disorderly fashion | 21 |
| In dispute | 10 |
| In disrepair | 12 |
| In distress | 11 |
| In districts | 12 |
| In dots and dashes | 18 |
| In doubt | 8 |
| In dreamland | 12 |
| In dreamland, perhaps | 21 |
| In droves | 9 |
| In dry clumps | 13 |
| In dry clumps, e.g. | 19 |
| In drydock? | 11 |
| In due course | 13 |
| In due time | 11 |
| In due time, poetically | 23 |
| In Dun & Bradstreet's files | 35 |
| In Dutch | 8 |
| In Dutch it's Rijn | 22 |
| In eager anticipation | 21 |
| In earlier times | 16 |
| In early development | 20 |
| In ecstasy | 10 |
| In effect | 9 |
| In effect, almost | 17 |
| In elaborate style | 18 |
| In embryo: Lat. | 15 |
| In emotional turmoil | 20 |
| In emulation of | 15 |
| In England, 14 pounds | 21 |
| In England, a whitewall | 23 |
| In England, he's a gubbins | 30 |
| In equal amounts | 16 |