| Idle from Monty Python | 22 |
| Idle in a "circus" | 28 |
| Idle Maytag employee, in ads | 28 |
| Idle monitor's display | 26 |
| Idle Monty Python member? | 25 |
| Idle of Monty Python fame | 25 |
| Idle of the Python troupe | 25 |
| Idle people may scour them | 26 |
| Idle talk, so to speak | 22 |
| Idle, Ambler or Burdon | 22 |
| Idle, Clapton, or Bana | 22 |
| Idle, with "around" | 29 |
| Idle-computer monitor display | 29 |
| Idler's antithesis | 22 |
| Idlewild Airport, today | 23 |
| Idol "___ a Lover" | 28 |
| Idol "___ the City" | 29 |
| Idol worshipped in Exodus | 25 |
| Idol-breaking king of Judah | 27 |
| Idolater's emotion | 22 |
| Idolater's feeling | 22 |
| Idolater's writing | 22 |
| Idolaters' recitations | 26 |
| Idolize, with "on" | 28 |
| Idolized sports figures | 23 |
| Idris of "The Wire" | 29 |
| IDs first issued in 1936 | 24 |
| IDs in book publishing | 22 |
| IDs sought by phishers | 22 |
| IDs that go on Form 1040 | 24 |
| IDs used in identity theft | 26 |
| Idyllic South Seas island | 25 |
| If absolutely necessary | 23 |
| If all goes according to plan | 29 |
| If all goes swimmingly | 22 |
| If all ___ fails . . . | 22 |
| If another choice is needed | 27 |
| If everything else fails | 24 |
| If everything goes perfectly | 28 |
| If everything goes right | 24 |
| If everything goes wrong | 24 |
| If everything goes your way | 27 |
| If He Walked ____ My Life | 25 |
| If I Had a Hammer cowriter | 29 |
| If immature, it's a grig | 28 |
| If it breaks, things get wet | 28 |
| If it divides, it multiplies | 28 |
| If it should be needed | 22 |
| If male, these are scarlet | 26 |
| If means "all" | 24 |
| If red, these may mislead | 25 |
| If that doesn't work | 24 |
| If this fits, wear it! | 22 |
| If you break them, they run | 27 |
| If you drop it, you may trip | 28 |
| If you eat it, you will die | 27 |
| If you fight it, it might win | 29 |
| If you play it, take a bow | 26 |
| If ___ (Kenneth Cole shoe) | 26 |
| If ___ (when necessary) | 23 |
| If's partner, in logic | 26 |
| If-looks-could-kill looks | 25 |
| If-__: conditional statements | 29 |
| If-___ (computer routines) | 26 |
| Iffy response from the boss | 27 |
| Ifs, ands and buts, e.g. | 24 |
| Iggy Pop's debut album | 26 |
| Iglu and yoghurt, e.g. | 22 |
| Ignatius of Loyola follower | 27 |
| Ignatius of Loyola, notably | 27 |
| Ignatz's Krazy foil | 23 |
| Igneous rock constituent | 24 |
| Igneous rock's source | 25 |
| Igneous rock, originally | 24 |
| Ignes _____ (marsh lights) | 26 |
| Ignite (with "to") | 28 |
| Ignited a snuffed wick | 22 |
| Ignited, as a bottle rocket | 27 |
| Ignition system device | 22 |
| Ignition system expert? | 23 |
| Ignorance is bliss, but ... | 27 |
| Ignorance, in a saying | 22 |
| Ignorance, in an adage | 22 |
| Ignorance, in an old saying | 27 |
| Ignorance, proverbially | 23 |
| Ignorance, so they say | 22 |
| Ignorance, to Socrates | 22 |
| Ignorant of right and wrong | 27 |
| Ignorant person's excuse | 28 |
| Ignore a cue card, say | 22 |
| Ignore a prepared speech | 24 |
| Ignore for a nomination | 23 |
| Ignore for the time being | 25 |
| Ignore in pronunciation | 23 |
| Ignore one's bedtime | 24 |
| Ignore one's duties | 23 |
| Ignore one's lines | 22 |
| Ignore Polonius' advice | 27 |
| Ignore Polonius's advice | 28 |
| Ignore the advice of Polonius | 29 |