| Six | 3 |
| Six + deux | 10 |
| Six and back | 12 |
| Six and half-a-dozen, e.g. | 26 |
| Six and trouble | 15 |
| Six bells in the morning watch | 30 |
| Six bells on the midwatch | 25 |
| Six bells, nautically | 21 |
| Six bells, perhaps | 18 |
| Six billion and change | 22 |
| Six Crises author | 20 |
| Six cubic yards of dirt, say | 28 |
| Six cubits | 10 |
| Six Day War combatant | 21 |
| Six Day War general | 19 |
| Six Day War hero | 16 |
| Six Day War nat. | 16 |
| Six Degrees of Kevin ___ | 24 |
| Six different Roman numerals | 28 |
| Six dits and three dahs | 23 |
| Six events in an inning | 23 |
| Six Fed. holidays in 2010 | 25 |
| Six feet of water | 17 |
| Six feet under, metaphorically | 30 |
| Six feet under, so to speak | 27 |
| Six feet under? | 15 |
| Six feet: Abbr. | 15 |
| Six fifty | 9 |
| Six Flags attraction | 20 |
| Six Flags attractions | 21 |
| Six Flags coaster whose name is Spanish for "The Bull" | 64 |
| Six Flags Elitch Gardens city | 29 |
| Six Flags features | 18 |
| Six Flags Great Adventure roller coaster with a Spanish name | 60 |
| Six Flags New England locale | 28 |
| Six Flags New England location | 30 |
| Six for a TD | 12 |
| Six French kings | 16 |
| Six ft. of water | 16 |
| Six ft., e.g. | 13 |
| Six Gallery reading participants | 32 |
| Six games, if one player loses all six | 38 |
| Six in 1,000,000 | 16 |
| Six in a million? | 17 |
| Six in Napoli | 13 |
| Six in Sevilla | 14 |
| Six kings of Norway | 19 |
| Six layers of a song? | 21 |
| Six less four | 13 |
| Six made a drachma | 18 |
| Six make a fl. oz. | 18 |
| Six make an inning | 18 |
| Six make one a million | 22 |
| Six Million Dollar Man, e.g. | 28 |
| Six months | 10 |
| Six months from julio | 21 |
| Six mos. from Apr. | 18 |
| Six mos. from April | 19 |
| Six musicians | 13 |
| Six Nations tribe | 17 |
| Six Norwegian kings | 19 |
| Six o'clock broadcast | 25 |
| Six o'clock TV broadcast | 28 |
| Six o'clock TV fare | 23 |
| Six o'clock TV fare, often | 30 |
| Six of Juan? | 12 |
| Six of spades, e.g. | 19 |
| Six of the Italians | 19 |
| Six of these can be spotted within this grid | 44 |
| Six of these make a fl. oz. | 27 |
| Six of ___ half dozen of the other | 34 |
| Six on a die | 12 |
| Six on a Vegas cube | 19 |
| Six or seven follower | 21 |
| Six or seven in a game | 22 |
| Six or sub follower | 19 |
| Six outs | 8 |
| Six pieces of sushi, usually | 28 |
| Six plus four | 13 |
| Six plus six | 12 |
| Six popes | 9 |
| Six preceder | 12 |
| Six quintupled | 14 |
| Six Russian czars and grand dukes | 33 |
| Six stars in Cygnus | 19 |
| Six successor | 13 |
| Six times a year | 16 |
| Six to an inning | 16 |
| Six tricks, in bridge | 21 |
| Six women at Penn programmed it | 31 |
| Six years before the Battle of Hastings | 39 |
| Six years in the Senate | 23 |
| Six years, for a senator | 24 |
| Six years, for a U.S. senator | 29 |
| Six years, for Bentsen | 22 |
| Six years, for senators | 23 |
| Six years, for U.S. senators | 28 |
| Six years, in the U.S. Senate | 29 |
| Six years, perhaps | 18 |
| Six __ ... | 10 |