| Insister's countenance | 26 |
| Insisting on one's way | 26 |
| Insolence, in modern slang | 26 |
| Insolvent bailout beneficiary | 29 |
| Insolvent S&L company | 25 |
| Insomnia cause for a princess | 29 |
| Insomniac's annoyance | 25 |
| Insomniac's countdown | 25 |
| Insomniac's declaration | 27 |
| Insomniac's desire | 22 |
| Insomniac's prescription | 28 |
| Insomniac's relief | 22 |
| Insomniac's repast | 22 |
| Insomniac's supply | 22 |
| Insomniac's TV viewing | 26 |
| Insomniacs they're not | 26 |
| Inspect for deficiencies | 24 |
| Inspect like a trooper? | 23 |
| Inspect point-by-point | 22 |
| Inspect with larceny in mind | 28 |
| Inspect, with "at" | 28 |
| Inspected, Sutton style | 23 |
| Inspection requiring scales | 27 |
| Inspector Gadget, e.g. | 22 |
| Inspector Gadget, essentially | 29 |
| Inspector of crime fiction | 26 |
| Inspector of the rails | 22 |
| Inspector on the telly | 22 |
| Inspectors of fin. books | 24 |
| Inspiration for a bard | 22 |
| Inspiration for a canzone | 25 |
| Inspiration for a comedian | 26 |
| Inspiration for a Strauss | 25 |
| Inspiration for a troubadour | 28 |
| Inspiration for an author | 25 |
| Inspiration for Calder | 22 |
| Inspiration for Debussy | 23 |
| Inspiration for Dracula | 23 |
| Inspiration for J. R. Lowell | 28 |
| Inspiration for jambalaya | 25 |
| Inspiration for Kilmer | 22 |
| Inspiration for Melville | 24 |
| Inspiration for Pindar | 22 |
| Inspiration for Sappho | 22 |
| Inspiration for the Frisbee | 27 |
| Inspiration for this puzzle | 27 |
| Inspiration for Thucydides | 26 |
| Inspiration for Van Gogh | 24 |
| Inspiration for W. C. Bryant | 28 |
| Inspiration to Napoleon | 23 |
| Inspiration to Picasso | 22 |
| Inspirational 1950s song | 24 |
| Inspirational celebrity | 23 |
| Inspirational delivery: Abbr. | 29 |
| Inspirational song of 1953 | 26 |
| Inspirational talk, in short | 28 |
| Inspirational talk: Abbr. | 25 |
| Inspirational tennis champ | 26 |
| Inspirations for Tennyson | 25 |
| Inspire warm feelings about | 27 |
| Inspire with affection | 22 |
| Inspire, as with feelings | 25 |
| Inspire, as with ideas | 22 |
| Inspired (very much so!) | 24 |
| Inspired by, as a story | 23 |
| Inspired kind of thinking | 25 |
| Inspired The Who's name? | 28 |
| Inspired with admiration | 24 |
| Inspired with love, old-style | 29 |
| Inspired, as with feelings | 26 |
| Inspires reverential fear | 25 |
| Inspires, with "up" | 29 |
| Inspiring city for Van Gogh | 27 |
| Inspiring disgust, say | 22 |
| Inspiring inexplicable fear | 27 |
| Inspiring intense fear | 22 |
| Inspiring romance, maybe | 24 |
| Inst. at Charlottesville | 24 |
| Inst. at Hanover, N.H. | 22 |
| Inst. at Lexington, Va. | 23 |
| Inst. at Lubbock, Tex. | 22 |
| Inst. founded by Jefferson | 26 |
| Inst. in Henderson, Tenn. | 25 |
| Inst. in Montgomery, Ala. | 25 |
| Inst. in the Ocean State | 24 |
| Inst. in the smallest state | 27 |
| Inst. like Northeastern | 23 |
| Inst. near Olean, N.Y. | 22 |
| Inst. of higher education | 25 |
| Inst. of higher learning | 24 |
| Inst. that includes C.W. Post | 29 |
| Instagram account creator | 25 |
| Instagram effect, sometimes | 27 |
| Instagram page, essentially | 27 |
| Instagram upload, informally | 28 |
| Instagram uploads, informally | 29 |
| Install before November, say | 28 |
| Install fiberglass, perhaps | 27 |
| Install needed equipment | 24 |
| Install to new specifications | 29 |