| Inscription on stained glass, maybe | 35 |
| Insect bite consequence, perhaps | 32 |
| Insect called a greenfly in Britain | 35 |
| Insect collector's subject (abbr.) | 38 |
| Insect found near ponds or lakes | 32 |
| Insect honored on a 1999 U.S. postage stamp | 43 |
| Insect in "High Hopes" | 32 |
| Insect in the order Siphonaptera | 32 |
| Insect interpreting sacred mysteries? | 37 |
| Insect known for conducting raids | 33 |
| Insect named for the Virgin Mary | 32 |
| Insect sung about in "High Hopes" | 43 |
| Insect swarm's dental problem? | 34 |
| Insect that bit Sleeping Beauty? | 32 |
| Insect that can control the sex of its offspring | 48 |
| Insect that causes sleeping sickness | 36 |
| Insect that may be covered in chocolate | 39 |
| Insect that will take it all back | 33 |
| Insect that's 'praying' | 35 |
| Insect that's an agent to celebrities? | 42 |
| Insect that's finally gotten its wings | 42 |
| Insect that's well-camouflaged on a tree | 44 |
| Insect told to ''fly away home'' | 48 |
| Insect whose larvae destroy foliage | 35 |
| Insect with a 17-year life cycle | 32 |
| Insect with eyespots on its wings | 33 |
| Insect's egg-laying apparatus | 33 |
| Insect's final stage of life | 32 |
| Insect-eating mammal of Madagascar | 34 |
| Insect-resistant plant, e.g., briefly | 37 |
| Insecticide ingredient: Comb. form | 34 |
| Insecticide once hawked by Muhammad Ali | 39 |
| Insecticide whose spelled-out name has 31 letters | 49 |
| Insects found among the peanut plants in Plains? | 48 |
| Insects in a transformative stage | 33 |
| Insects that have lost their wings | 34 |
| Insects with an olfactory weapon | 32 |
| Insects with prominent proboscises | 34 |
| Insensitive bygone Crayola color | 32 |
| Inseparable companion of Lynceus | 32 |
| Inseparable friends on "Community" | 44 |
| Inseparable middle sch. pals, perhaps | 37 |
| Insert coins in, as a parking meter | 35 |
| Insert, as into a tight schedule | 32 |
| Inside info for an investor, maybe | 34 |
| Inside story found in five puzzle answers | 41 |
| Inside-out symbol of hope in the ninth | 38 |
| Insidious malware with a classically derived name | 49 |
| Insignia for a brigadier general | 32 |
| Insignificant person, metaphorically | 36 |
| Insignificant recovery after a steep market drop | 48 |
| Insignificant recovery in a stock price | 39 |
| Insincere expression of gratitude | 33 |
| Insincere-sounding speaking style | 33 |
| Insincerely reluctant to make a decision | 40 |
| Insisted on using, like a favorite brand | 40 |
| Insistence on traditional correctness | 37 |
| Insistent but covert attention grabber | 38 |
| Insolvent banking giant, familiarly | 35 |
| Insomniac's core surrounding? | 33 |
| INSP: "And then his ___." | 35 |
| INSP: "His attorney filed some ___." | 46 |
| INSP: "Okay, lieutenant, ___." | 40 |
| INSP: "Yeah, even if he was just ___." | 48 |
| Inspection org. since November 2001 | 35 |
| Inspector at a trucking company? | 32 |
| Inspector Clouseau movie, with "The" | 46 |
| Inspector Clouseau's assistant | 34 |
| Inspector Clouseau's manservant | 35 |
| Inspector Clouseau's portrayer | 34 |
| Inspector Clouseau's servant | 32 |
| Inspector Gadget's arch-nemesis | 35 |
| Inspector in 'The Pink Panther' | 39 |
| Inspector in Agatha Christie stories | 36 |
| Inspector in Elizabeth George mysteries | 39 |
| Inspector played by Peter Sellers | 33 |
| Inspector Richard's son, in mysteries | 41 |
| Inspector Van _____ Valk (literary detective) | 45 |
| Inspiration for "Bates Motel" | 39 |
| Inspiration for "Call Me Madam" | 41 |
| Inspiration for "Clueless" | 36 |
| Inspiration for "Mamma Mia!" | 38 |
| Inspiration for "Rent" | 32 |
| Inspiration for "The French Connection" | 49 |
| Inspiration for "Troilus and Cressida" | 48 |
| Inspiration for "Wheel of Fortune" | 44 |
| Inspiration for "Wicked" | 34 |
| Inspiration for "You've Got Mail" | 47 |
| Inspiration for 2008 Olympics mascot Jingjing | 45 |
| Inspiration for a J.R. Lowell poem | 34 |
| Inspiration for a series of Price films | 39 |
| Inspiration for Broadway's "Rent" | 47 |
| Inspiration for Dan Brown's 2013 novel | 42 |
| Inspiration for Hunter S. Thompson | 34 |
| Inspiration for Infiniti's logo | 35 |
| Inspiration for Johann Strauss II | 33 |
| Inspiration for Lennon's "Woman" | 46 |
| Inspiration for Orwell's Snowball | 37 |
| Inspiration for poets and musicians | 35 |
| Inspiration for Scotland Yard and the FBI | 41 |