| Maritime distress signal | 24 |
| Maritime hazard in W. W. II | 27 |
| Maritime hazard in WWII | 23 |
| Maritime hazards in WWII | 24 |
| Maritime law-enforcer: Abbr. | 28 |
| Maritime military org. | 22 |
| Maritime or Pennine ___ | 23 |
| Maritime threat of WWII | 23 |
| Mark against a student | 22 |
| Mark aimed at in curling | 24 |
| Mark and Anthony: Abbr. | 23 |
| Mark and franc replacer | 23 |
| Mark Antony's bodyguard | 27 |
| Mark Antony's wife | 22 |
| Mark as important, say | 22 |
| Mark as pornographic, say | 25 |
| Mark atop, as graph points | 26 |
| Mark caused by a bikini | 23 |
| Mark Cuban's NBA team | 25 |
| Mark down for a sale, say | 25 |
| Mark down, say, at a store | 26 |
| Mark for a particular purpose | 29 |
| Mark for an aside: abbr. | 24 |
| Mark for future reference | 25 |
| Mark for Peppermint Patty | 25 |
| Mark for smooth breathing | 25 |
| Mark from a healed wound | 24 |
| Mark from an old eraser | 23 |
| Mark from dirty fingers | 23 |
| Mark given by a garment insp. | 29 |
| Mark Harmon action drama | 24 |
| Mark Harmon CBS series | 22 |
| Mark Harmon military series | 27 |
| Mark Harmon military TV drama | 29 |
| Mark Harmon series on CBS | 25 |
| Mark in "piñata" | 29 |
| Mark indicating a short vowel | 29 |
| Mark indicating nasalization | 28 |
| Mark indicating omission | 24 |
| Mark left by a healed wound | 27 |
| Mark left from an injury | 24 |
| Mark McGwire stat: Abbr. | 24 |
| Mark McGwire's nickname | 27 |
| Mark McGwire's position | 27 |
| Mark Messier, for 12 years | 26 |
| Mark Mothersbaugh's band | 28 |
| Mark of a careless diner | 24 |
| Mark of a sergeant, e.g. | 24 |
| Mark of a written error | 23 |
| Mark of academic distinction | 28 |
| Mark of disgrace, to a Greek? | 29 |
| Mark of game-show fame | 22 |
| Mark of official approval | 25 |
| Mark of Prynne's sin | 24 |
| Mark of reconsideration | 23 |
| Mark on a bikini wearer | 23 |
| Mark on a radar screen | 22 |
| Mark on a scribe's finger | 29 |
| Mark on an attendance record | 28 |
| Mark or markka replacements | 27 |
| Mark over a long vowel | 22 |
| Mark over a short vowel | 23 |
| Mark placed over short vowels | 29 |
| Mark Russell's forte | 24 |
| Mark similar to a hyphen | 24 |
| Mark Tatulli comic strip | 24 |
| Mark that may cause a pause | 27 |
| Mark the boundaries of | 22 |
| Mark to undo a deletion | 23 |
| Mark Twain and Saki, for two | 28 |
| Mark Twain or O. Henry | 22 |
| Mark Twain or Saki, e.g. | 24 |
| Mark Twain portrayer Holbrook | 29 |
| Mark Twain quote concluded | 26 |
| Mark Twain quote continued | 26 |
| Mark Twain specialties | 22 |
| Mark Twain's belief | 23 |
| Mark Twain's boyhood home | 29 |
| Mark Twain's brother | 24 |
| Mark Twain's burial place | 29 |
| Mark Twain's jumping frog | 29 |
| Mark Twain/Bret Harte play | 26 |
| Mark under a consonant | 22 |
| Mark up on the screen? | 22 |
| Mark up or down, maybe | 22 |
| Mark who created Tom Sawyer | 27 |
| Mark who won the 1998 Masters | 29 |
| Mark with a branding iron | 25 |
| Mark with a stain of color | 26 |
| Mark with an X, perhaps | 23 |
| Mark with minute grooves | 24 |
| Mark with multicolored spots | 28 |
| Mark with subscript dots | 24 |
| Mark's counterpart | 22 |
| Mark's love, casually | 25 |
| Mark's predecessor | 22 |
| Mark's replacement | 22 |
| Mark's replacement, e.g. | 28 |
| Mark's replacement? | 23 |
| Mark, as a ballot square | 24 |