| It's marked by a ring in a trunk | 36 |
| It's marked by an "X" | 35 |
| It's massive and relatively hot | 35 |
| It's measured at arm's length | 37 |
| It's measured in amperes (abbr.) | 36 |
| It's measured in amperes: Abbr. | 35 |
| It's measured in degrees: Abbr. | 35 |
| It's measured in foot-pounds | 32 |
| It's measured in square units | 33 |
| It's measured rel. to the sea | 33 |
| It's measured to determine body oxygenation | 47 |
| It's mellow and has a pear-shaped bell | 42 |
| It's Mick Fleetwood, not this | 33 |
| It's midway between two springs | 35 |
| It's mightier than the sword | 32 |
| It's mightier than the sword, in a saying | 45 |
| It's mightier than the sword? | 33 |
| It's mimetic, energetic and esthetic | 40 |
| It's mined off one's lode | 33 |
| It's missing from a monokini | 32 |
| It's missing from carbon monoxide | 37 |
| It's missing if you're late | 35 |
| It's mixed with lemonade in an Arnold Palmer | 48 |
| It's Mongolian for "ocean" | 40 |
| It's monitored by an air traffic controller | 47 |
| It's more important with lines | 34 |
| It's more permanent than pencil marks | 41 |
| It's more than 4,000 miles long | 35 |
| It's more than a mere battle | 32 |
| It's more than a pinch: Abbr. | 33 |
| It's more than full, in the bedroom | 39 |
| It's more than the sum of its parts | 39 |
| It's more than twice the size of Texas | 42 |
| It's more useful when it's busted | 41 |
| It's most useful when cracked | 33 |
| It's most useful when it's broken | 41 |
| It's most useful when it's cracked | 42 |
| It's mostly all downhill from here | 38 |
| It's mostly nonsensical syllables | 37 |
| It's much followed in North Africa | 38 |
| It's much thanked once a year | 33 |
| It's music to a musician's ears | 39 |
| It's music to St. Peter's ears | 38 |
| It's naked in a Desmond Morris title | 40 |
| It's named after a Jalisco town | 35 |
| It's named after a WWII flying ace | 38 |
| It's named after an opera star | 34 |
| It's named Fifi, stereotypically | 36 |
| It's named for a Germanic war god: Abbr. | 44 |
| It's named for a Scand. god of battle | 41 |
| It's named for a trapeze artist | 35 |
| It's número atómico is 79 | 35 |
| It's near a bicycle's derailleur | 40 |
| It's near the bottom of a suit | 34 |
| It's near the top of a microscope | 37 |
| It's nearly bisected by the Missouri R. | 43 |
| It's needed for a spin at the laundromat | 44 |
| It's needed for self-checkout | 33 |
| It's needed for the uphill climb | 36 |
| It's needed in most pro sports | 34 |
| It's needed to find the right key | 37 |
| It's needed to finish a marathon | 36 |
| It's needed to hound someone? | 33 |
| It's needed to leave some countries | 39 |
| It's needed to look good in the morning | 43 |
| It's needed to make a difference | 36 |
| It's needed to make an angel | 32 |
| It's needed to make the grade | 33 |
| It's needed while watching a tearjerker | 43 |
| It's never a dental patient? | 32 |
| It's never been thought of before | 37 |
| It's never full when it's new | 37 |
| It's never made with plastic [Ohio] | 39 |
| It's newly available, but not new | 37 |
| It's next to Connecticut Avenue | 35 |
| It's next to fluorine in the periodic table | 47 |
| It's next to fluorine on the periodic table | 47 |
| It's next to last in a notable eightsome | 44 |
| It's next to Luxury Tax on a Monopoly board | 47 |
| It's next to Mayfair, in London | 35 |
| It's nice to have floor ones | 32 |
| It's nice when checks have lots of them | 43 |
| It's nicknamed "Tiger City" | 41 |
| It's no good when it's flat | 35 |
| It's no good when it's up | 33 |
| It's no guarantee of future results | 39 |
| It's no longer spoken anywhere | 34 |
| It's no. 1 on the Mohs scale | 32 |
| It's north of Baja, informally | 34 |
| It's north of Highland Park, N.J. | 37 |
| It's north of the Dodecanese Islands | 40 |
| It's north of the Indian Ocean | 34 |
| It's north of the Strait of Gibraltar | 41 |
| It's northwest of St. Andrews | 33 |
| It's not a good thing in pink | 33 |
| It's not a hands-on experience | 34 |
| It's not a lot, but you can live on it | 42 |
| It's not a silk purse source, it's said | 47 |
| It's not all done on the ground | 35 |
| It's not always easy to get into | 36 |