| Monopoly buildings | 18 |
| Monopoly building | 17 |
| Monopoly broken up in 1984, colloquially | 40 |
| Monopoly board quartet: Abbr. | 29 |
| Monopoly board properties | 25 |
| Monopoly board corner | 21 |
| Monopoly board abbr. | 20 |
| Monopoly battleship, e.g. | 25 |
| Monopoly avenue that is Coventry Street in the UK version | 57 |
| Monopoly avenue next to the B.&O. Railroad | 46 |
| Monopoly avenue next to Chance | 30 |
| Monopoly avenue neighboring 'Go' | 40 |
| Monopoly avenue in the light-blue group | 39 |
| Monopoly avenue | 15 |
| Monopoly assets | 15 |
| Monopoly and Scrabble, for two | 30 |
| Monopoly and Scrabble | 21 |
| Monopoly and others | 19 |
| Monopoly and mah-jongg | 22 |
| Monopoly acquisitions: Abbr. | 28 |
| Monopoly acquisitions | 21 |
| Monopoly acquisition | 20 |
| Monopoly abbr. | 14 |
| Monopoly 4some | 14 |
| Monopoly card | 16 |
| Monopoly | 8 |
| Monopolizes, with "up" | 32 |
| Monopolizes | 11 |
| Monopolizer | 11 |
| Monopolized, with "up" | 32 |
| Monopolized the conversation | 28 |
| Monopolize, with "up" | 31 |
| Monopolize, slangily | 20 |
| Monopolize the mirror | 21 |
| Monopolize the conversation | 27 |
| Monopolize one's mind | 25 |
| Monopolize | 10 |
| Monopolistic moves | 18 |
| Monopolistic groupings | 22 |
| Monopolist's trait | 22 |
| Monopolist's share | 22 |
| Monopolist's portion | 24 |
| Monopolist's lack | 21 |
| Monopolist's foe | 20 |
| Monopolist's clothing accessory? | 36 |
| Monopolist's amount | 23 |
| Monopolist | 10 |
| Monopolies | 10 |
| Monopod feature | 15 |
| Mononymous Somalian model | 25 |
| Mononymous New Ager | 19 |
| Mononymous kicker | 17 |
| Mononymous four-time Grammy winner | 34 |
| Mononymous actress/model married to David Bowie | 47 |
| Mononymous "Rumour Has It" singer | 43 |
| Mononymous "Life of Pi" star | 38 |
| Monomials with the same variable raised to the same power | 57 |
| Monomer of proteins, informally | 31 |
| Monomaniacs' problems | 25 |
| Monomaniacal whaler | 19 |
| Monomaniacal skipper | 20 |
| Monomaniacal mariner from Melville's mind | 45 |
| Monomaniacal captain in fiction | 31 |
| Monomaniacal captain | 20 |
| Monomaniacal | 12 |
| Monomaniac, informally | 22 |
| Monomaniac's problem | 24 |
| Monomaniac of fiction | 21 |
| Monomaniac | 10 |
| Monologue writers? | 18 |
| Monologue subjects | 18 |
| Monologue material | 18 |
| Monologue joke | 14 |
| Monologue delivery | 18 |
| Monologue contents | 18 |
| Monologue component | 19 |
| Monologue bit | 13 |
| Monologue | 9 |
| Monologist Sahl | 15 |
| Monologist on weeknights | 24 |
| Monologist of note | 18 |
| Monologist Mort | 15 |
| Monologist Jay | 14 |
| Monologist after the news | 25 |
| Monolithic | 10 |
| Monolith discoverers in "2001" | 40 |
| Monokinis lack them | 19 |
| Monokini's missing part | 27 |
| Monokini's lack | 19 |
| Monokini settings | 17 |
| Monokini lack | 13 |
| Monokini designer Gernreich | 27 |
| Monograph | 9 |
| Monograms: Abbr. | 16 |
| Monograms of a certain Duke | 27 |
| Monograms for Sen. Kennedy | 26 |
| Monograms for Ike | 17 |
| Monograms | 9 |
| Monogrammed neckwear? | 21 |
| Monogrammatic motorcar | 22 |