| Masters champ of 1949, 1952 and 1954 | 36 |
| Masters champ between Gary and Jack | 35 |
| Masters champ between Fuzzy and Tom | 35 |
| Masters champ between Craig and Ben | 35 |
| Masterpiece in the Duomo at Florence | 36 |
| Mastermind behind "The Hobbit"? | 41 |
| MasterCard-carrying ecclesiastic? | 33 |
| MASTERCARD builds luxury buggies? | 33 |
| MasterCard alternative, informally | 34 |
| MasterCard alternative, for short | 33 |
| MasterCard alternative, familiarly | 34 |
| Master/slave dialectic philosopher | 34 |
| Master, in "The Raj Quartet" | 38 |
| Master's seeker's hurdle, briefly | 41 |
| Master's requirement, usually | 33 |
| Master's pursuit, perhaps: Abbr. | 36 |
| Master thespians they're not | 32 |
| Master of the prop-laden sight gag | 34 |
| Master of impressions, to Roget? | 32 |
| Master of Disaster's ring rival | 35 |
| Master Kan portrayer on "Kung Fu" | 43 |
| Master gland of the endocrine system | 39 |
| Master criminal of books and film | 33 |
| Master contrapuntist: 1685–1750 | 38 |
| Master cereal-maker's knowledge? | 36 |
| Master at wielding a tongue depressor? | 38 |
| Massive, relatively hot luminous body | 37 |
| Massive white predatory bird of mythology | 41 |
| Massive dotcom headquartered in Sunnyvale, CA | 45 |
| Massive Attack's are "False" | 42 |
| Massive Attack "The Dog ___" | 38 |
| Massive Attack "Safe from ___" | 40 |
| Massive Attack "Inertia ___" | 38 |
| Massimo of 1994's "Il Postino" | 44 |
| Massey of Ziegfeld Follies: 1943 | 32 |
| Massey of "Love Happy" | 32 |
| Massey of "Balalaika" (1939) | 38 |
| Massenet's "___ de Lahore" | 40 |
| Massenet's "Vision fugitive," e.g. | 48 |
| Massenet's "Le ___" | 33 |
| Massenet's "Le ___ Lahore" | 40 |
| Massenet's "Le ___ de Lahore" | 43 |
| Massenet opera based on Greek myth | 34 |
| Massenet opera based on a work of Goethe | 40 |
| Massenet opera based on a Daudet novel | 38 |
| Massenet opera about a legendary Spaniard | 41 |
| Massen of the 1940s film "Tokyo Rose" | 47 |
| Massandra Palace is on its outskirts | 36 |
| Massager's target area, at times | 36 |
| Massage therapist's supplies | 32 |
| Massage therapist's employer | 32 |
| Massage technique using acupressure | 35 |
| Massage for a person who's prone | 36 |
| Massachusetts, in Cambridge, e.g. | 33 |
| Massachusetts, e.g., before 1776 | 32 |
| Massachusetts' "___ aristocracy" | 46 |
| Massachusetts' "other" cape | 41 |
| Massachusetts vacation spot, with "the" | 49 |
| Massachusetts town with many Halloween tourists | 47 |
| Massachusetts town with an Algonquian name | 42 |
| Massachusetts town that's home to Tanglewood | 48 |
| Massachusetts town near the New Hampshire border | 48 |
| Massachusetts town named for a river in England | 47 |
| Massachusetts town in Middlesex County | 38 |
| Massachusetts town famous for its clams | 39 |
| Massachusetts site of Phillips Academy | 38 |
| Massachusetts senator's essay about luggage? | 48 |
| Massachusetts senator succeeded by Kerry | 40 |
| Massachusetts senator before Kerry | 34 |
| Massachusetts port on Nantucket Sound | 37 |
| Massachusetts or Connecticut in D.C. | 36 |
| Massachusetts music festival locale | 35 |
| Massachusetts Maritime Academy student, e.g. | 44 |
| Massachusetts landmark made famous by Thoreau | 45 |
| Massachusetts home of Regis College | 35 |
| Massachusetts governor ___ Patrick | 34 |
| Massachusetts governor after John Hancock | 41 |
| Massachusetts getaway, with "the" | 43 |
| Massachusetts county just north of Boston | 41 |
| Massachusetts cottage with a wintry air about it? | 49 |
| Massachusetts Congresswoman Niki | 32 |
| Massachusetts college where Pixies formed | 41 |
| Massachusetts college named for a nearby peak | 45 |
| Massachusetts city, birthplace of N. C. Wyeth | 45 |
| Massachusetts city with a harbor | 32 |
| Massachusetts city where volleyball was invented | 48 |
| Massachusetts city on the Merrimack | 35 |
| Massachusetts city on the Connecticut River | 43 |
| Massachusetts city called Tool Town | 35 |
| Massachusetts birthplace of N.C. Wyeth | 38 |
| Massachusetts Ave. bldg., in D.C. | 33 |
| Mass. ___ (Boston thoroughfare, to locals) | 42 |
| Mass. senator's monogram, 1962-2009 | 39 |
| Mass, length and speed, to a physicist | 38 |
| Mass ___ (Boston thoroughfare, to locals) | 41 |
| Mass transit option in a French city? | 37 |
| Mass times acceleration, in physics | 35 |
| Mass serving when the wine runs out? | 36 |
| Mass prayer, "Agnus ___" | 34 |
| Mass of unstratified glacial drift | 34 |