| Part of a main dish | 19 |
| Part of a maison | 16 |
| Part of a major's insignia | 30 |
| Part of a makeover | 18 |
| Part of a makeover, slangily | 28 |
| Part of a makeshift swing | 25 |
| Part of a makeshift swing, perhaps | 34 |
| Part of a makeup kit | 20 |
| Part of a mall | 14 |
| Part of a man's formal wear | 31 |
| Part of a manger scene | 22 |
| Part of a Manhattan address: Abbr. | 34 |
| Part of a manor | 15 |
| Part of a mansard | 17 |
| Part of a mansion | 17 |
| Part of a manual for an old watch? | 34 |
| Part of a map | 13 |
| Part of a marathon | 18 |
| Part of a marathon finisher's time: abbr. | 45 |
| Part of a marathoner's time (abbr.) | 39 |
| Part of a marching band | 23 |
| Part of a margarita glass | 25 |
| Part of a margarita order | 25 |
| Part of a markka | 16 |
| Part of a Marquand title | 24 |
| Part of a mart | 14 |
| Part of a martingale | 20 |
| Part of a Mary Johnston title | 29 |
| Part of a mass | 14 |
| Part of a match | 15 |
| Part of a matched pair | 22 |
| Part of a matched set | 21 |
| Part of a matching set, sometimes | 33 |
| Part of a mating ritual | 23 |
| Part of a Maugham title | 23 |
| Part of a Maui welcome | 22 |
| Part of a Mayberry addr. | 24 |
| Part of a Mayberry address | 26 |
| Part of a mean mien? | 20 |
| Part of a mechanic's bill | 29 |
| Part of a media planner's buy | 33 |
| Part of a medical bill | 22 |
| Part of a medley | 16 |
| Part of a meet | 14 |
| Part of a melody | 16 |
| Part of a memorable anti-drug commercial | 40 |
| Part of a memorable boast | 25 |
| Part of a merry refrain | 23 |
| Part of a Met fan's outfit | 30 |
| Part of a Met fan's outfit? | 31 |
| Part of a metaphor | 18 |
| Part of a metaphorical ladder | 29 |
| Part of a meter | 15 |
| Part of a meter maid's supply | 33 |
| Part of a metric foot | 21 |
| Part of a metrical foot | 23 |
| Part of a metropolitan area | 27 |
| Part of a metropolitan region | 29 |
| Part of a Mexican-American accord? | 34 |
| Part of a Michael Jackson squeak | 32 |
| Part of a microscope | 20 |
| Part of a Mideast name | 22 |
| Part of a Mideast orchard | 25 |
| Part of a Mideast palace | 24 |
| Part of a mileage rating | 24 |
| Part of a milit. address | 24 |
| Part of a military band | 23 |
| Part of a military command | 26 |
| Part of a military defense, for short | 37 |
| Part of a military formation | 28 |
| Part of a military front | 24 |
| Part of a military uniform | 26 |
| Part of a Milky Way makeup | 26 |
| Part of a millennium (abbr.) | 28 |
| Part of a min. | 14 |
| Part of a mine | 14 |
| Part of a minute | 16 |
| Part of a minute: Abbr. | 23 |
| Part of a mission statement | 27 |
| Part of a model's portfolio | 31 |
| Part of a model-train set | 25 |
| Part of a modern address | 24 |
| Part of a modern assembly line | 30 |
| Part of a modern soldier's address | 38 |
| Part of a molecule | 18 |
| Part of a Molière comédie | 31 |
| Part of a Molière play | 25 |
| Part of a Molière work | 25 |
| Part of a mollusk's mouth | 29 |
| Part of a Monet background | 26 |
| Part of a mongoose's diet | 29 |
| Part of a monk's title | 26 |
| Part of a monogram | 18 |
| Part of a monogram (abbr.) | 26 |
| Part of a monogram: Abbr. | 25 |
| Part of a Monopoly set | 22 |
| Part of a month | 15 |
| Part of a moonscape | 19 |
| Part of a Morse code letter | 27 |
| Part of a mortarboard | 21 |