| If another choice is needed | 27 |
| If all ___ fails . . . | 22 |
| If all goes swimmingly | 22 |
| If all goes according to plan | 29 |
| If absolutely necessary | 23 |
| Idyllic South Seas island | 25 |
| IDs used in identity theft | 26 |
| IDs that go on Form 1040 | 24 |
| IDs sought by phishers | 22 |
| IDs in book publishing | 22 |
| IDs first issued in 1936 | 24 |
| Idris of "The Wire" | 29 |
| Idolized sports figures | 23 |
| Idolize, with "on" | 28 |
| Idolaters' recitations | 26 |
| Idolater's writing | 22 |
| Idolater's feeling | 22 |
| Idolater's emotion | 22 |
| Idol-breaking king of Judah | 27 |
| Idol worshipped in Exodus | 25 |
| Idol "___ the City" | 29 |
| Idol "___ a Lover" | 28 |
| Idlewild Airport, today | 23 |
| Idler's antithesis | 22 |
| Idle-computer monitor display | 29 |
| Idle, with "around" | 29 |
| Idle, Clapton, or Bana | 22 |
| Idle, Ambler or Burdon | 22 |
| Idle talk, so to speak | 22 |
| Idle people may scour them | 26 |
| Idle of the Python troupe | 25 |
| Idle of Monty Python fame | 25 |
| Idle Monty Python member? | 25 |
| Idle monitor's display | 26 |
| Idle Maytag employee, in ads | 28 |
| Idle in a "circus" | 28 |
| Idle from Monty Python | 22 |
| Iditarod Trail transports | 25 |
| Iditarod Trail transport | 24 |
| Iditarod Trail command | 22 |
| Iditarod racer's goal | 25 |
| Iditarod race destination | 25 |
| Iditarod finish-line site | 25 |
| Idiot box by another name | 25 |
| Idiosyncratic distortions | 25 |
| Idiomatic vocabularies | 22 |
| Idiomatic site of discipline | 28 |
| Idiomatic robbery victim | 24 |
| Idiomatic reason to slow down | 29 |
| Idiomatic pants inhabitants | 27 |
| Idiom inventor's words | 26 |
| Idi with an evil history | 24 |
| Idi Amin's predecessor | 26 |
| Ides of March utterance | 23 |
| Ides of March question | 22 |
| Ides of March accusation | 24 |
| Ideogram + name, often | 22 |
| Identity thief's figs. | 26 |
| Identity theft targets: Abbr. | 29 |
| Identity theft target: Abbr. | 28 |
| Identity theft defense | 22 |
| Identity of musical pitch | 25 |
| Identifying work outfit | 23 |
| Identifying the origin of | 25 |
| Identifying mark, perhaps | 25 |
| Identifying info: abbr. | 23 |
| Identify, in a Facebook photo | 29 |
| Identify, as in a lineup | 24 |
| Identify the coordinates of | 27 |
| Identify predicates, etc. | 25 |
| Identify one's member? | 26 |
| Identify in a Facebook photo | 28 |
| Identify fish by sonar? | 23 |
| Identifies, so to speak | 23 |
| Identifies, on Facebook | 23 |
| Identifiers, of a kind | 22 |
| Identifier seen on a carousel | 29 |
| Identifier of the real you | 26 |
| Identifier in a folder | 22 |
| Identified, in police slang | 27 |
| Identified incorrectly | 22 |
| Identified in a lineup | 22 |
| Identification with another | 27 |
| Identification on an animal | 27 |
| Identification on Alumni Day | 28 |
| Identification of a kind | 24 |
| Identification introduction | 27 |
| Identification documents | 24 |
| Identification at a banquet | 27 |
| Identification acronym | 22 |
| Identification of a kind | 25 |
| Identifiable flying object | 26 |
| Identifiable catchphrase | 24 |
| Identical-twin bumpkins? | 24 |
| Identical or very similar | 25 |
| Identical gift container? | 25 |
| Identical bottlenecks? | 22 |
| Ideas, suggestions, etc. | 24 |
| Idealistic social reformer | 26 |
| Idealistic frame of mind | 24 |