| High-IQ child on an old radio game show | 39 |
| High-intensity workout, for short | 33 |
| High-flying retiree of 2003 (abbr.) | 35 |
| High-fiber, low-fat cereal ingredient | 37 |
| High-energy person, to astrologers | 34 |
| High-energy emanation studied by physicists | 43 |
| High-energy electromagnetic radiation | 37 |
| High-end fashion designer Marant | 32 |
| High-end accommodations, familiarly | 35 |
| High-efficiency lights, for short | 33 |
| High-crowned cap worn in Turkey and Iran | 40 |
| High-carb treats eaten in yellow vehicles? | 42 |
| High-"grossing" film of 1978 | 38 |
| High, narrow windows ending in arches | 37 |
| High, in a way, with "up" | 35 |
| High time in Hickory Dickory Dock | 37 |
| High temperature that won't go away? | 40 |
| High standing achieved through success | 38 |
| High society patronage of left-wingers | 38 |
| High schooler's test, briefly | 33 |
| High schooler's formal dance | 32 |
| High schooler's facial concern | 34 |
| High school's crowning event? | 33 |
| High school wrestling team equipment | 36 |
| High school type with cache, often | 34 |
| High school student's decoration, perhaps | 45 |
| High school student's concern | 33 |
| High school senior's keepsake | 33 |
| High school prank component, maybe | 34 |
| High school math course, casually | 33 |
| High school in a 1980s-90s fiction series | 41 |
| High school in "Grease" | 33 |
| High school grad-to-be's "illness" | 48 |
| High school cross country race, typically | 41 |
| High school bookworm, stereotypically | 37 |
| High school bookworm, in stereotypes | 36 |
| High school : SAT :: college : ___ | 34 |
| High rung on the evolutionary ladder | 36 |
| High rollers' destination, often | 36 |
| High roller's haunt, perhaps | 32 |
| High pts., and the theme of this puzzle | 39 |
| High Priest of Shiloh, in the Bible | 35 |
| High points of your South American trip? | 40 |
| High points of a trip to South America? | 39 |
| High points of a Swiss vacation? | 32 |
| High points of a South American vacation | 40 |
| High points of a South American trip? | 37 |
| High points for a European tourist? | 35 |
| High point of the Old Testament? | 32 |
| High point of Egyptian architecture? | 36 |
| High point of East Germany's trees? | 39 |
| High point of a Sicilian vacation? | 34 |
| High point of a European vacation? | 34 |
| High point of a European vacation | 33 |
| High point of "The Sound of Music"? | 45 |
| High point in Homer's "Odyssey" | 45 |
| High point in a soprano's career? | 37 |
| High point in a Japanese vacation? | 34 |
| High platform on some sailing ships | 35 |
| High place where all the nitpickers go? | 39 |
| High perch for a sharp-eyed observer | 36 |
| High passageway between buildings | 33 |
| High on something other than life? | 34 |
| High on something other than life | 33 |
| High nos. for rocket scientists? | 32 |
| High mountain, in a certain back-formation | 42 |
| High mark, little effort required | 33 |
| High hit behind the catcher, say | 32 |
| High grade in a class about West Coast hip-hop? | 47 |
| High degrees for school administrators | 38 |
| High degree recognized by the NSF | 33 |
| High Commissioner for Egypt: 1919-25 | 36 |
| High caste member in "Brave New World" | 48 |
| High (and high-priced) options for spectators | 45 |
| Higgins's pupil in elocution | 32 |
| Hieroglyphic symbol, for instance | 33 |
| Hieroglyphic stone discovery site | 33 |
| Hieroglyphic representations of Horus | 37 |
| Hieroglyph meaning "life" | 35 |
| Hiding place in "Hamlet" | 34 |
| Hiding place for a home run hitter? | 35 |
| Hiding figure in children's books | 37 |
| Hideous boy in a novel by writer Rice? | 38 |
| Hideous "Li'l Abner" character | 44 |
| Hideo with two career no-hitters | 32 |
| Hide-and-seek player's ultimatum | 36 |
| Hide one's boredom, in a way | 32 |
| Hidden text embedded in video, in industry-speak | 48 |
| Hidden room's secret opening | 32 |
| Hidden names in a Hirschfeld caricature | 39 |
| Hidden item in the theme of this puzzle | 39 |
| Hidden element in this puzzle's theme | 41 |
| Hidden cheat sheet used during a math exam? | 43 |
| Hidden character in kids' books | 35 |
| Hid out, with ''up'' | 36 |
| Hickman who portrayed Dobie Gillis | 34 |
| Hibernian chief's stronghold | 32 |
| Hi-___ (like some electronic devices) | 37 |
| Hi-tech gadgets fit for your palm | 33 |
| Hi-tech entertainment from Microsoft | 36 |