| A modern Grant | 14 |
| A modern Lear | 13 |
| A modern Omar | 13 |
| A modern science | 16 |
| A modern style of French cooking | 32 |
| A modicum of modesty | 20 |
| A moist Cheddar | 15 |
| A molding | 9 |
| A mollusk | 9 |
| A Molokai denizen | 17 |
| A mom-and-pop store might apply for one: Abbr. | 46 |
| A moment ago | 12 |
| A momentary brightness | 22 |
| A monarch may be caught in it | 29 |
| A monarch may be snagged in it | 30 |
| A Monday-born Grundy | 20 |
| A Monet contemporary | 20 |
| A Mongoloid Nepalese | 20 |
| A monkey's uncle? | 21 |
| A monomaniac has it | 19 |
| A Monopoly corner | 17 |
| A Monopoly token | 16 |
| A monotheistic religion | 23 |
| A monster that will chill your blood! | 37 |
| A monster's home | 20 |
| A Mont. group | 13 |
| A Montague | 10 |
| A month abroad | 14 |
| A month in Madrid | 17 |
| A month in Montréal | 22 |
| A month in Tel Aviv | 19 |
| A month of Sundays | 18 |
| A month of _____ | 16 |
| A monthly payment, usually | 26 |
| A Montreal Canadien, for short | 30 |
| A Monument Valley site | 22 |
| A moon of Jupiter | 17 |
| A moon of Neptune | 17 |
| A moon of Saturn | 16 |
| A moon of Uranus | 16 |
| A Moore | 7 |
| A moral oxymoron | 16 |
| A more dilapidated state | 24 |
| A morning glory | 15 |
| A morning hour | 14 |
| A morphine derivative, slangily | 31 |
| A Morrow medium | 15 |
| A Morse "I" consists of two | 37 |
| A Morse "I" requires two | 34 |
| A Moscow church is named for him | 32 |
| A most diminutive opening | 25 |
| A moth | 6 |
| A mothball may have one | 23 |
| A Mother Goose Jack | 19 |
| A Mother's Day honoree | 26 |
| A mother-of-pearl source | 24 |
| A motorist may change them | 26 |
| A motorist may drive in it | 26 |
| A mountain highway bend | 23 |
| A Mountain State | 16 |
| A Mountain State senator | 24 |
| A mouse is one | 14 |
| A mouse may control it | 22 |
| A mouse may help you get there | 30 |
| A mouse may move across one | 27 |
| A mouse might pull it down | 26 |
| A mouse moves over it | 21 |
| A mouse rests on it | 19 |
| A mouse will make it move | 25 |
| A Mouseketeer | 13 |
| A Mousquetaire | 14 |
| A move in checkers | 18 |
| A movement upward | 17 |
| A mover and a shaker | 20 |
| A movie star may carry one | 26 |
| A movie star's may be inflated | 34 |
| A movie Taylor | 14 |
| A moving crowd | 14 |
| A moving experience | 19 |
| A Mrs. Chaplin | 14 |
| A Mrs. Charlie Chaplin | 22 |
| A Mrs. Mickey Rooney | 20 |
| A MS. might come back in it | 27 |
| A much-decorated Murphy | 23 |
| A muff covers it | 16 |
| A muffler of sorts | 18 |
| A mullet covers it | 18 |
| A mulligan is sometimes given here | 34 |
| A multiple of CLI | 17 |
| A mummy may have one | 20 |
| A mummy may have one, perhaps | 29 |
| A Munster county | 16 |
| A Muppet | 8 |
| A murder of ____ | 16 |
| A murder of ______ | 18 |
| A murid | 7 |
| A Muse | 6 |
| A Muse and a Dryad | 18 |
| A muse may inspire them | 23 |
| A Muse or dryad | 15 |