| Mascot known for jumping | 24 |
| Mascot of the Houston Texans | 28 |
| Mascot with a ball for a head | 29 |
| Mascot with a N.J. gravesite | 28 |
| Masculine and feminine | 22 |
| Masculine Bo Diddley hit | 24 |
| Masculine legal process? | 24 |
| Maserati headquarters city | 26 |
| Maserati's parent company | 29 |
| Maseru's its capital | 24 |
| Maseru-phobe's cry | 22 |
| Mash ingredient, perhaps | 24 |
| Mashed potato alternative | 25 |
| Mashed potato servings | 22 |
| Mashed potatoes feature? | 24 |
| Mashed potatoes, essentially | 28 |
| Mashed-potatoes topper | 22 |
| Masher's comeuppance | 24 |
| Mashers' relatives | 22 |
| Mashie niblick's number | 27 |
| Mashies, drivers, etc.: Abbr. | 29 |
| Mashpee's peninsula | 23 |
| Masi of "Heroes" | 26 |
| Masi Oka character Nakamura | 27 |
| Mask and shin guards, e.g. | 26 |
| Masked "bandit" | 25 |
| Masked critter, for short | 25 |
| Masked defender at a cage | 25 |
| Masked Japanese fighter | 23 |
| Masked mammal, commonly | 23 |
| Masked mammal, for short | 24 |
| Masked mammal, informally | 25 |
| Masked man of westerns | 22 |
| Masked man with a stick | 23 |
| Masked man's companion | 26 |
| Masked man's No. 2 | 22 |
| Masked manÂ’s sidekick | 25 |
| Masked marathon runners? | 24 |
| Masked men with blades | 22 |
| Masked official, for short | 26 |
| Masked one, informally | 22 |
| Masked people wield them | 24 |
| Masked swordsman of fiction | 27 |
| Masked swordsman of film | 24 |
| Masking frame, in photography | 29 |
| Masochistic introduction? | 25 |
| Mason mysteries monogram | 24 |
| Mason of fictional cases | 24 |
| Mason of The Goodbye Girl | 25 |
| Mason or McBeal: Abbr. | 22 |
| Mason's assignment | 22 |
| Mason's brick carrier | 25 |
| Mason's challenge? | 22 |
| Mason's conical weight | 26 |
| Mason's mortar carrier | 26 |
| Mason's mortar mover | 24 |
| Mason's profession | 22 |
| Mason's surveying partner | 29 |
| Mason-Dixon line, e.g. | 22 |
| Masonic order, for short | 24 |
| Masonry-reinforcing rod | 23 |
| Masons' containers | 22 |
| Masons' implements | 22 |
| Masons, coopers and the like | 28 |
| Masquerade costume for two | 26 |
| Masquerader's event | 23 |
| Mass broken off a glacier | 25 |
| Mass communication medium? | 26 |
| Mass communication systs. | 25 |
| Mass divided by volume | 22 |
| Mass exodus of expertise | 24 |
| Mass exodus of nitwits? | 23 |
| Mass in B minor composer | 24 |
| Mass instrument, often | 22 |
| Mass meeting, sometimes peppy | 29 |
| Mass number provider, maybe | 27 |
| Mass of crystallized magma | 26 |
| Mass or rapid follower | 22 |
| Mass producer, for short | 24 |
| Mass production figure? | 23 |
| Mass reaction, perhaps | 22 |
| Mass shout of great respect | 27 |
| Mass times acceleration | 23 |
| Mass transit alternative | 24 |
| Mass x velocity measurements | 28 |
| Mass __ (buses and trains) | 26 |
| Mass-market big sellers | 23 |
| Mass-market fragrance maker | 27 |
| Mass-produced response? | 23 |
| Mass-transit alternative | 24 |
| Mass-wedding participant | 24 |
| Mass. engineering sch. | 22 |
| Mass. senator's monogram | 28 |
| Mass. senatorial monogram | 25 |
| Mass.'s Deval Patrick | 25 |
| Mass., Penn., Mich., etc. | 25 |
| Massachusetts Bay city | 22 |
| Massachusetts city or river | 27 |
| Massachusetts fish dish | 23 |
| Massachusetts has four | 22 |