| Imperial Oil brand in Canada | 28 |
| Imperial or Blue Bonnet | 23 |
| Imperial or Parkay, e.g. | 24 |
| Imperial pronouncement | 22 |
| Imperial security force | 23 |
| Imperial soldiers of film | 25 |
| Imperial weight measure | 23 |
| Impermanent, as a committee | 27 |
| Impersonal cash source | 22 |
| Impersonal letter intro | 23 |
| Impersonal letter starter | 25 |
| Impersonal possessive pronoun | 29 |
| Impersonate Miss Muffet | 23 |
| Impersonate successfully | 24 |
| Impersonated at a party | 23 |
| Impersonated Groucho, in part | 29 |
| Impersonating on Halloween | 26 |
| Impersonator's acronym | 26 |
| Impersonator's act | 22 |
| Impersonator's action | 25 |
| Impersonator's shtick | 25 |
| Impersonator's skill | 24 |
| Impersonator's specialty | 28 |
| Impersonator's work | 23 |
| Impertinent camera movement? | 28 |
| Impertinent youngsters | 22 |
| Impervious to break-ins | 23 |
| Impervious to chutzpah? | 23 |
| Impetuous person's advice | 29 |
| Impetuous, N.R.A. style? | 24 |
| Impetus for a trip to Oz | 24 |
| Impish expression of delight | 28 |
| Impish foe of Superman | 22 |
| Implant deeply, as in soil | 26 |
| Implant result, perhaps | 23 |
| Implant through repetition | 26 |
| Implement a buddy system | 24 |
| Implement for a quadrireme | 26 |
| Implement for a sculler | 23 |
| Implement for an apple | 22 |
| Implement for Father Time | 25 |
| Implement for Hiawatha | 22 |
| Implement for John Hancock | 26 |
| Implement for planting | 22 |
| Implement for Poseidon | 22 |
| Implement for sweeping | 22 |
| Implement in a kitchen | 22 |
| Implement in an oral exam | 25 |
| Implement in some surgeries | 27 |
| Implement used on cloves | 24 |
| Implement with a collar | 23 |
| Implement with which to break | 29 |
| Implement you might wring | 25 |
| Implemented, as an idea | 23 |
| Implements for Minnesota Fats | 29 |
| Implements in a coffee shop | 27 |
| Implements of western justice | 29 |
| Implements used in goffering | 28 |
| Implements using fulcrums | 25 |
| Implied but not expressed | 25 |
| Implied but not stated | 22 |
| Implied, but not expressed | 26 |
| Implode an old building | 23 |
| Implores on bended knee | 23 |
| Implosion or irruption | 22 |
| Imply ties with V.I.P.'s | 28 |
| Impolite drinking sound | 23 |
| Impolite places for elbows | 26 |
| Impolite sound at dinner | 24 |
| Impolite-sounding cross? | 24 |
| Import, as water or music | 25 |
| Import/export imbalances | 24 |
| Import/export squabble | 22 |
| Importance of an essay? | 23 |
| Important 1930's inits. | 27 |
| Important 5-year-old of 1715 | 28 |
| Important acid, for short | 25 |
| Important boards, for short | 27 |
| Important British architect | 27 |
| Important cameraman in 1963 | 27 |
| Important Canadian air base | 27 |
| Important card source: Abbr. | 28 |
| Important caucus locale | 23 |
| Important caucus state | 22 |
| Important celestial layer | 25 |
| Important chapters in history | 29 |
| Important chess pieces | 22 |
| Important chip, briefly | 23 |
| Important circulation figure | 28 |
| Important city in S. Korea | 26 |
| Important city of Roman Gaul | 28 |
| Important closing documents | 27 |
| Important concept in calculus | 29 |
| Important concern of a firm | 27 |
| Important concert room? | 23 |
| Important convention speaker | 28 |
| Important convert of Mohammed | 29 |
| Important court action | 22 |
| Important courtroom figure | 26 |
| Important cribbage card | 23 |