| What inspired Watt | 18 |
| What instructions might be divided into | 39 |
| What instrumentalists often change | 34 |
| What insulin regulates the metabolism of | 40 |
| What insults may result in | 26 |
| What insurance is, plain and simple? | 36 |
| What insurers insure against | 28 |
| What interest does a ___ pay? | 29 |
| What internet trolls may spew | 29 |
| What intersecting lines create | 30 |
| What interviewer does | 21 |
| What invalid card readers might read | 36 |
| What investor will do w/great band | 34 |
| What Iran and Iraq do | 21 |
| What Iran's shah became in 1979 | 35 |
| What is "la liaison"? | 31 |
| What is 1/100 of a Danish krone? | 32 |
| What is a talesman? | 19 |
| What is actor Stewart Granger's family name? | 48 |
| What is an alternative to a golden parachute? | 45 |
| What is another name for a deadbeat borrower? | 45 |
| What is cast, in a saying | 25 |
| What is Elizabeth's tennis forte? | 37 |
| What is equity? | 15 |
| What is expected | 16 |
| What is French for "huge"? | 36 |
| What is George Eliot's given name? | 38 |
| What is hopscotch called in New York City? | 42 |
| What is is | 10 |
| What is it? | 11 |
| What is left | 12 |
| What is more | 12 |
| What is more disgusting than filthy lucre? | 42 |
| What is put on Basie's bed? | 31 |
| What is salvia? | 15 |
| What is so hopefully hailed in N.Y.C. | 37 |
| What is that in Mexico? | 23 |
| What is the nature of a Q and A abroad? | 39 |
| What is the oldest academic quiz competition in the U.S. (since 1948)? | 70 |
| What is the popular name for daminozide? | 40 |
| What is this? | 13 |
| What isn't the small print?: Abbr. | 38 |
| What it all adds up to | 22 |
| What it all comes out in | 24 |
| What it comes to | 16 |
| What it costs | 13 |
| What it costs nothing to be | 27 |
| What it does at some winter fests | 33 |
| What it doesn't hurt to do | 30 |
| What it is | 10 |
| What it is "to tell a lie" | 36 |
| What it is "when the moon hits your eye like a big pizza pie" | 71 |
| What it is in Italy | 19 |
| What It is looking for? | 23 |
| What it is to tell a lie | 24 |
| What it may take to answer "Do you think I need to lose some weight?" | 79 |
| What it may take to answer the question "Does this make me look fat?" | 79 |
| What it must do | 15 |
| What it must do? | 16 |
| What it often takes, it's said | 34 |
| What it says on Donald Trump's money? | 41 |
| What it takes not to say "I see you've put on a little weight" | 76 |
| What it takes to get the ball over the wall? | 44 |
| What it takes to make a thing go right, in a hip-hop song | 57 |
| What it takes to make a wink | 28 |
| What it takes to tango | 22 |
| What it takes two to do? | 24 |
| What it takes, in an inclusive idiom | 36 |
| What it takes, they say | 23 |
| What it takes? | 14 |
| What it took to hang an old jury | 32 |
| What it's about | 19 |
| What it's all about | 23 |
| What it's like to be Spider-Man? | 36 |
| What it's risky to work without | 35 |
| What it's too soon to do | 28 |
| What it's worth | 19 |
| What Italians used to pay in | 28 |
| What italicized letters do | 26 |
| What italics do | 15 |
| What italics have | 17 |
| What Ivory is, in ads | 21 |
| What jabberers do | 17 |
| What jabberwocky seems to make | 30 |
| What Jack and Jill did | 22 |
| What Jack broke | 15 |
| What Jack did | 13 |
| What Jack got in exchange for a cow, in a children's story | 62 |
| What Jack has to be | 19 |
| What Jack Horner was bad at | 27 |
| What Jack Horner was eating | 27 |
| What Jack Napier fell into, to become the Joker | 47 |
| What Jack Sprat was bad at | 26 |
| What Jack Wagner starred in | 27 |
| What Jack's rat ate | 23 |
| What jack-in-the-boxes do | 25 |
| What Jackie Robinson did, famously, in the first game of the 1955 World Series | 78 |
| What jam band music fests send fans into | 40 |
| What James and evangelist Billy rarely were wont to do | 54 |
| What James Buchanan never said at the altar | 43 |