| Key pie ingredient? | 19 |
| Key piece of extra information | 30 |
| Key play in a gridiron game | 27 |
| Key player | 10 |
| Key players | 11 |
| Key players? | 12 |
| Key plot point giveaway | 23 |
| Key point | 9 |
| Key position? | 13 |
| Key preposition | 15 |
| Key preposition? | 16 |
| Key pressed frantically during a crash | 38 |
| Key pressed to leave full-screen mode on YouTube | 48 |
| Key products | 12 |
| Key prop in the Cinderella story | 32 |
| Key pushed repeatedly during a crash | 36 |
| Key ratings period | 18 |
| Key ratings period for TV producers | 35 |
| Key related to C | 16 |
| Key related to C maj. | 21 |
| Key related to C-sharp min. | 27 |
| Key related to D major | 22 |
| Key related to F# minor: Abbr. | 30 |
| Key related to F-sharp min. | 27 |
| Key represented by all white keys on a piano | 44 |
| Key requirement for a Microsoft bailout? | 40 |
| Key requirement for a PC bailout | 32 |
| Key requirement for an IBM bailout | 34 |
| Key requirement for an IBM bailout? | 35 |
| Key Revolutionary battle: Oct. 7, 1777 | 38 |
| Key ring | 8 |
| Key ring? | 9 |
| Key rings? | 10 |
| Key same as B | 13 |
| Key scene for bursting bombs? | 29 |
| Key sequence in a chromosome | 28 |
| Key setting | 11 |
| Key shade | 9 |
| Key signature preceder | 22 |
| Key signature with four sharps | 30 |
| Key signature with no sharps or flats | 37 |
| Key site | 8 |
| Key sometimes called "option" | 39 |
| Key sound? | 10 |
| Key spot on a car | 17 |
| Key spot? | 9 |
| Key start? | 10 |
| Key starter? | 12 |
| Key starting words | 18 |
| Key state (abbr.) | 17 |
| Key state: Abbr. | 17 |
| Key state? (Abbr.) | 18 |
| Key state?: Abbr. | 17 |
| Key stone? | 10 |
| Key structure | 13 |
| Key stuff | 9 |
| Key subject | 11 |
| Key substitute | 14 |
| Key tablet in deciphering Egyptian writing | 42 |
| Key tag?: Abbr. | 15 |
| Key target of resolution | 24 |
| Key task? | 9 |
| Key testimony in many a court case | 34 |
| Key that cancels | 16 |
| Key that doesn't work by itself | 35 |
| Key that helps you exit | 23 |
| Key that helps you move in? | 27 |
| Key that indents | 16 |
| Key that might close a dialog box | 33 |
| Key that might close a window | 29 |
| Key that often has an arrow on it | 33 |
| Key that often sounds gloomy | 28 |
| Key that opens La Scala | 23 |
| Key that takes you back | 23 |
| Key that won't work alone | 29 |
| Key that's really C | 23 |
| Key that's the key to the shortcuts in this puzzle | 54 |
| Key that's the same as B | 28 |
| Key things? | 11 |
| Key time for presidential primaries | 35 |
| Key times | 9 |
| Key times in history | 20 |
| Key title | 9 |
| Key to a set of tests? | 22 |
| Key to an exit | 14 |
| Key to an exit? | 15 |
| Key to Apollo 13's rescue | 29 |
| Key to deciphering Egyptian hieroglyphics | 41 |
| Key to exit? | 12 |
| Key to get out of a jam? | 24 |
| Key to getting out of a jam? | 28 |
| Key to getting out of trouble? | 30 |
| Key to heredity | 15 |
| Key to heredity, briefly | 24 |
| Key to industrial revolution | 28 |
| Key to Kane's life | 22 |
| Key to leave? | 13 |
| Key to Microsoft's early success | 36 |
| Key to modern warfare | 21 |
| Key to return | 13 |