| Inconclusive ending | 19 |
| Inconclusive outcome | 20 |
| Inconclusive response | 21 |
| Inconclusive result | 19 |
| Inconclusive results | 20 |
| Inconclusive, as a jury | 23 |
| Inconclusive, as reviews | 24 |
| Incongruities | 13 |
| Incongruity | 11 |
| Incongruous | 11 |
| Incongruous composition | 23 |
| Incongruous era? | 16 |
| Incongruous juxtaposition of a sort | 35 |
| Incongruous miscellany | 22 |
| Incongruous mixture | 19 |
| Incongruous statement | 21 |
| Incongruous-sounding high-end stationery | 40 |
| Incongruousness | 15 |
| Inconsequentia | 14 |
| Inconsequential | 15 |
| Inconsequential amount | 22 |
| Inconsequential cooing | 22 |
| Inconsequential entertainment | 29 |
| Inconsequential interruption | 28 |
| Inconsequential invention | 25 |
| Inconsequential irritant | 24 |
| Inconsequential lie | 19 |
| Inconsequential material | 24 |
| Inconsequential matter | 22 |
| Inconsequential one | 19 |
| Inconsequential person | 22 |
| Inconsequential persons | 23 |
| Inconsequential quarrel | 23 |
| Inconsequential stuff | 21 |
| Inconsequential, informally | 27 |
| Inconsiderable | 14 |
| Inconsiderate | 13 |
| Inconsiderate driver | 20 |
| Inconsideration | 15 |
| Inconsistent | 12 |
| Inconsistent root beer brand? | 29 |
| Inconsistent way to run | 23 |
| Inconsistent, in a way | 22 |
| Inconsistently applied criterion | 32 |
| Inconspicuous attention-getter | 30 |
| Inconspicuous contract language | 31 |
| Inconspicuous covers | 20 |
| Inconstant | 10 |
| Inconstant people | 17 |
| Incontestable | 13 |
| Incontrovertible | 16 |
| Incontrovertible truth | 22 |
| Inconvenience | 13 |
| Inconvenienced | 14 |
| Inconveniences | 14 |
| Inconvenient | 12 |
| Inconvenient, and then some | 27 |
| Incorporate | 11 |
| Incorporate information from | 28 |
| Incorporate into a city | 23 |
| Incorporate into a city, as territory | 37 |
| Incorporate into a city, say | 28 |
| Incorporate, as a picture in a blog | 35 |
| Incorporate, as a YouTube video into a Web site | 47 |
| Incorporated gradually | 22 |
| Incorporated into one's domain | 34 |
| Incorporated region | 19 |
| Incorporated towns, for short | 29 |
| Incorporated, in Brit. | 22 |
| Incorporating | 13 |
| Incorrect | 9 |
| Incorrect inference | 19 |
| Incorrect name | 14 |
| Incorrect reasoning | 19 |
| Incorrect term | 14 |
| Incorrect title | 15 |
| Incorrect: Prefix | 17 |
| Incorrectly | 11 |
| Incorrigible animal? | 20 |
| Incorrigible brat | 17 |
| Incorrigible fellows | 20 |
| Incorrigible sprite | 19 |
| Incorrigible types | 18 |
| Incorruptible | 13 |
| Increase | 8 |
| Increase (up) | 13 |
| Increase (with "to") | 30 |
| Increase a bet | 14 |
| Increase a conflict | 19 |
| Increase a hundredfold | 22 |
| Increase a poker bet | 20 |
| Increase an auction offer | 25 |
| Increase and Cotton | 19 |
| Increase at work | 16 |
| Increase business | 17 |
| Increase business/Run into little dog's liquor? | 51 |
| Increase by | 11 |
| Increase by 200 percent | 23 |
| Increase by degrees | 19 |
| Increase considerably | 21 |