| Irreverent work | 15 |
| Irreverent weekend show, briefly | 32 |
| Irreverent weekend hit, informally | 34 |
| Irreverent TV hit | 17 |
| Irreverent talk show host Don | 29 |
| Irreverent rhymes | 17 |
| Irreverent radio host | 21 |
| Irreverent NBC show | 19 |
| Irreverent NBC hit | 18 |
| Irreverent comic George | 23 |
| Irreverent | 10 |
| Irreverence that goes too far | 29 |
| Irreverence | 11 |
| Irreverant uttering | 19 |
| Irretrievable thing | 19 |
| Irretrievable item | 18 |
| Irretrievable | 13 |
| Irresponsibly | 13 |
| Irresponsible person | 20 |
| Irresponsible adventure | 23 |
| Irresponsible | 13 |
| Irrespective of | 15 |
| Irresolute | 10 |
| Irresistibly fascinating woman | 30 |
| Irresistible urge | 17 |
| Irresistible impulses to travel | 31 |
| Irresistible desire to look through a keyhole? | 46 |
| Irresistibelles | 15 |
| Irreproachable | 14 |
| Irrepressible lecturers | 23 |
| Irrepressible | 13 |
| Irreparably damage | 18 |
| Irreparably cracked | 19 |
| Irreparably broken | 18 |
| Irreparable | 11 |
| Irreligiousness | 15 |
| Irreligious person | 18 |
| Irreligious one | 15 |
| Irreligious individuals [Greece] | 32 |
| Irreligious | 11 |
| Irrelevant, as a point | 22 |
| Irrelevant to Don King? | 23 |
| Irrelevant remark | 17 |
| Irrelevant facts, slangily | 26 |
| Irrelevant | 10 |
| Irregularly: bot. | 17 |
| Irregularly worn | 16 |
| Irregularly toothed | 19 |
| Irregularly shaped stain | 24 |
| Irregularly shaped spot | 23 |
| Irregularly shaped piece of furniture | 37 |
| Irregularly shaped disks | 24 |
| Irregularly notched, as a leaf | 30 |
| Irregularly notched | 19 |
| Irregularly indented | 20 |
| Irregularly incised | 19 |
| Irregularly edged | 17 |
| Irregularly | 11 |
| Irregularity | 12 |
| Irregular; queer | 16 |
| Irregular, often | 16 |
| Irregular, in Inverness | 23 |
| Irregular, as leaf edges | 24 |
| Irregular, as if gnawed on | 26 |
| Irregular, as if gnawed away | 28 |
| Irregular, as a leaf's edge | 31 |
| Irregular triangles | 19 |
| Irregular trial venue | 21 |
| Irregular test patterns | 23 |
| Irregular strophe in a chanson de geste | 39 |
| Irregular stain | 15 |
| Irregular spot | 14 |
| Irregular soldier | 17 |
| Irregular paper edge | 20 |
| Irregular mathematical shape | 28 |
| Irregular marks | 15 |
| Irregular mark | 14 |
| Irregular in quality | 20 |
| Irregular impulsive moves | 25 |
| Irregular glacial mass | 22 |
| Irregular French verb | 21 |
| Irregular folds | 15 |
| Irregular fighter (Var.) | 24 |
| Irregular edge, as for a book page | 34 |
| Irregular courses | 17 |
| Irregular | 9 |
| Irregardless | 12 |
| Irreg. spelling | 15 |
| Irreg. | 6 |
| Irrefutable evidence | 20 |
| Irrefutable | 11 |
| Irreducible | 11 |
| Irredeemably bad | 16 |
| Irredeemable | 12 |
| Irreconcilables | 15 |
| Irrationally fearful | 20 |
| Irrationally afraid | 19 |
| Irrationality | 13 |
| Irrational, to mathematicians | 29 |
| Irrational, in math. | 20 |