| Indefinitely long periods of time | 33 |
| It's got its standards: Abbr. | 33 |
| Its playing area is 2 x 14 meters | 33 |
| It could be to the left of center | 33 |
| I-I connector of palindromic fame | 33 |
| Idle of "Life of Brian" | 33 |
| Idle of "Spamalot" fame | 33 |
| It comes before "while" | 33 |
| Isaac and Rebekah's firstborn | 33 |
| Immigrant's course, for short | 33 |
| It's not too rare in a medium | 33 |
| Ill-fated favorite of Elizabeth I | 33 |
| It was associated with Humble Oil | 33 |
| Isabella d'___ (famed beauty) | 33 |
| Its Internet addresses end in .ee | 33 |
| In-flight announcement, for short | 33 |
| It might be announced over a P.A. | 33 |
| It's sometimes delayed: Abbr. | 33 |
| It's derived from natural gas | 33 |
| It was above the Greek underworld | 33 |
| Investor's online destination | 33 |
| Intergalactic visitors, for short | 33 |
| It may be before dollar or market | 33 |
| Indiana's junior senator Bayh | 33 |
| It has a base and a flaring spout | 33 |
| It may have a beautiful big mouth | 33 |
| It might be required for entrance | 33 |
| Important sign in a crowded venue | 33 |
| It may involve an exaggerated age | 33 |
| It's in Obama's hands now | 33 |
| It's usually felt on the head | 33 |
| It's fixed when it's flat | 33 |
| Input for a personnel interviewer | 33 |
| It has a lucky or unlucky outcome | 33 |
| It's of alimentary importance | 33 |
| Ibsen's "Hedda ___" | 33 |
| It's replaced after a fill-up | 33 |
| It might be blown by a hot person | 33 |
| It's pounded to get attention | 33 |
| It's won in a game of dreidel | 33 |
| It might be examined with a loupe | 33 |
| It gets passed down in the family | 33 |
| It's spoken in Berlin (Abbr.) | 33 |
| It's for MBA hopefuls to take | 33 |
| It can be found behind the crease | 33 |
| It may be smoked in a supermarket | 33 |
| It's checked by many teachers | 33 |
| It'll put stripes on your dog | 33 |
| If you fire it, it makes a report | 33 |
| It could receive permanent damage | 33 |
| It's cured but was never sick | 33 |
| Ingredient in chicken cordon bleu | 33 |
| Instrument with 46 strings, often | 33 |
| Instrument held between the knees | 33 |
| It's pitched with a pitchfork | 33 |
| Ibsen's "__ Gabler" | 33 |
| Instrument that controls bleeding | 33 |
| It makes things harder to pick up | 33 |
| It's done while holding hands | 33 |
| It may be used before an accident | 33 |
| Initials for the Queen of England | 33 |
| It's often hard to live up to | 33 |
| It ran through the veins of Venus | 33 |
| Its plate says "Scenic" | 33 |
| It may be said with a raised hand | 33 |
| It may be checked at a checkpoint | 33 |
| Iggy Pop band, before the Stooges | 33 |
| It puts four syrups on each table | 33 |
| It was founded in Almhult, Sweden | 33 |
| It ends with Hector's funeral | 33 |
| Ingrid, in "Casablanca" | 33 |
| It's worth its weight in gold | 33 |
| It should help you breathe easier | 33 |
| It consists of a top and a bottom | 33 |
| It's often professed in court | 33 |
| Italian cuisine suffix, sometimes | 33 |
| It may be under a leathery tongue | 33 |
| It's filtered in Saudi Arabia | 33 |
| Insect with eyespots on its wings | 33 |
| Indicator of shortness, for short | 33 |
| It makes Apr. the cruelest month? | 33 |
| Its symbol is a crescent and star | 33 |
| It separates money and everything | 33 |
| It means "practitioner" | 33 |
| It's often climbing the walls | 33 |
| Island invaded in 1945, for short | 33 |
| It's spotted in South America | 33 |
| It's no good when it's up | 33 |
| Ingrid Bergman role, 1948: 3 wds. | 33 |
| It's bustin' out all over | 33 |
| Ireland seen in many photographs? | 33 |
| Its emblem had a sword and shield | 33 |
| It might be filled with pot smoke | 33 |
| In a manner of speaking, slangily | 33 |
| It's often gone with the wind | 33 |
| It may be offered with a blessing | 33 |
| It merged with Air France in 2004 | 33 |
| It might help you get the picture | 33 |
| Initials of a pro basketball team | 33 |
| Impressionist composition of 1905 | 33 |