| Instrument measuring elevation | 30 |
| Iranian prime minister in 1962 | 30 |
| It's full of rye, in rhyme | 30 |
| Ill-fated NASA mission of 1967 | 30 |
| Illegal software-selling ring? | 30 |
| It's around the North Pole | 30 |
| Inventor of the spinning jenny | 30 |
| It may hold a bunch of drawers | 30 |
| Ingredient in many snack foods | 30 |
| Invited to one's apartment | 30 |
| Its adherents are in disbelief | 30 |
| Iras or Charmian, to Cleopatra | 30 |
| It maintains a proper attitude | 30 |
| It's usually made in haste | 30 |
| It's hard to live one down | 30 |
| Instrument played by Bob Burns | 30 |
| Include discreetly on an email | 30 |
| It's found on a nightstand | 30 |
| Is guilty of petitio principii | 30 |
| Instruments for drawing angles | 30 |
| Intelligence researcher Alfred | 30 |
| Intl. group of music companies | 30 |
| In German notation, it's H | 30 |
| It's spoken in chop shops? | 30 |
| Invasive airline inconvenience | 30 |
| Item on an auto shop checklist | 30 |
| Indestructible animal doctors? | 30 |
| Item in Mrs. Wiggs's patch | 30 |
| Items used in securing anchors | 30 |
| It may be served with beignets | 30 |
| Its logo resembles an odometer | 30 |
| It involves designated drivers | 30 |
| Italian town of W. W. II siege | 30 |
| Infamous Hollywood institution | 30 |
| It's on your business card | 30 |
| It may give you a final answer | 30 |
| It supports 32 "men" | 30 |
| It's snapped on a gridiron | 30 |
| It may be made by a rotary saw | 30 |
| It merged with Peugeot in 1976 | 30 |
| It may help you sleep at night | 30 |
| Intoxicant for a couch potato? | 30 |
| Informing, with "in" | 30 |
| It may not mean what you think | 30 |
| Institution of higher learning | 30 |
| Ivy League professional school | 30 |
| Isn't blocked, as a signal | 30 |
| It's smart to back this up | 30 |
| It requires a lot of simmering | 30 |
| It catches some sticky fingers | 30 |
| Island buyer's acquisition | 30 |
| Ill-tempered Columbus, perhaps | 30 |
| It's between Buda and Pest | 30 |
| It separates dollars and cents | 30 |
| Improves windshield visibility | 30 |
| It joins the Dnieper near Kiev | 30 |
| It can be treated with insulin | 30 |
| It might take place in a harem | 30 |
| Items thrown in Greek contests | 30 |
| Item used with high frequency? | 30 |
| Il ___ (cathedral of Florence) | 30 |
| Instructor's degree: Abbr. | 30 |
| It's used for the big game | 30 |
| Italy's ___-Romagna region | 30 |
| Imitated, as a computer system | 30 |
| It comes about every 100 years | 30 |
| Imbue with spiritual awareness | 30 |
| Italian's secluded retreat | 30 |
| In one year and out the other? | 30 |
| In which Ali kayoed Dunn: 1976 | 30 |
| Insect you can see in the dark | 30 |
| It may be tender at the market | 30 |
| Instrumental illegal pleasure? | 30 |
| International business process | 30 |
| It lets you go without charges | 30 |
| Inadvertently revealing remark | 30 |
| It's often a buzzer-beater | 30 |
| Incomprehensible, as a message | 30 |
| Italian poet: 1798–1837 | 30 |
| Insult that contains a degree? | 30 |
| It's driven before driving | 30 |
| Interior decorator's asset | 30 |
| It gets further down with time | 30 |
| Is driven to achieve something | 30 |
| Intellectually stimulating act | 30 |
| Iron-containing blood pigments | 30 |
| Introduction heard often on TV | 30 |
| Ike's second Sec. of State | 30 |
| Iroquois Confederacy cofounder | 30 |
| Initials for a royal personage | 30 |
| Item on a gunslinger's hip | 30 |
| It's in front of a catcher | 30 |
| Information source, supposedly | 30 |
| It's kept in a reservation | 30 |
| It doesn't stay on shelves | 30 |
| Item used in an exotic massage | 30 |
| It might result in impeachment | 30 |
| Ingredient in a Spanish omelet | 30 |
| Inhales as a drug, as gasoline | 30 |
| If we can do it, it's this | 30 |