| Signal approval | 15 |
| Signal an OK | 12 |
| Signal an actor | 15 |
| Signal amplifier | 16 |
| Signal agreement, in a way | 26 |
| Signal agreement | 16 |
| Signal again, as an actor | 25 |
| Signal again | 12 |
| Signal after tattoo | 19 |
| Signal a musician | 17 |
| Signal "Hi!" to with a hand | 37 |
| Signal "Hi!" or "Bye!" | 42 |
| Signal "Hello!" | 25 |
| Signal "Come here," say | 33 |
| Signal | 6 |
| Signage gas | 11 |
| Sign: ped -- | 12 |
| Sign: Part 3 | 12 |
| Sign: Part 2 | 12 |
| Sign: Lat. | 10 |
| Sign-up book for races? | 23 |
| Sign-up | 7 |
| Sign-reading site | 17 |
| Sign-painter's patterns | 27 |
| Sign-on requirement, often | 26 |
| Sign-off words | 14 |
| Sign-off word, with "Yours" | 37 |
| Sign-off word | 13 |
| Sign-off of a sort | 18 |
| Sign-off in texting or cyber speak | 34 |
| Sign-off from there | 19 |
| Sign-off for Spanish spies? | 27 |
| Sign-off at proms | 17 |
| Sign-off a la Clement Moore | 27 |
| Sign-off | 8 |
| Sign-making tool | 16 |
| Sign-making device | 18 |
| Sign-making aids | 16 |
| Sign-making aid | 15 |
| Sign-language pioneer | 21 |
| Sign-language inventor | 22 |
| Sign-language developer | 23 |
| Sign-enhancing gas | 18 |
| Sign-bearer in an airport, e.g. | 31 |
| Sign- -- (farewells) | 20 |
| Sign, slangily | 14 |
| Sign, say | 9 |
| Sign, per Variety | 17 |
| Sign, in a way: Abbr. | 21 |
| Sign, in a way | 14 |
| Sign, as an agreement | 21 |
| Sign, as a payee | 16 |
| Sign, as a deal | 15 |
| Sign, as a contract | 19 |
| Sign, as a check | 16 |
| Sign ___ (end hostilities) | 26 |
| Sign ___ (accept, as a program) | 31 |
| Sign you look for during a bad set | 34 |
| Sign you don't want behind you | 34 |
| Sign wrong? | 11 |
| Sign words often accompanied by an airplane symbol | 50 |
| Sign word that may be followed by an exclamation point | 54 |
| Sign word often translated into multiple languages | 50 |
| Sign word near two parallel lines | 33 |
| Sign word after "Ye" | 30 |
| Sign with, as a team | 20 |
| Sign with the scales | 20 |
| Sign with scales | 16 |
| Sign with an arrow | 18 |
| Sign with a sting? | 18 |
| Sign with a red light | 21 |
| Sign with a double-tailed arrow | 31 |
| Sign where a cabinetmaker finishes? | 35 |
| Sign warning poachers and trespassers | 37 |
| Sign warning people to be quiet | 31 |
| Sign users | 10 |
| Sign used in printing | 21 |
| Sign used during road construction | 34 |
| Sign up: var. | 13 |
| Sign up, variantly | 18 |
| Sign up, as for a class | 23 |
| Sign up with again | 18 |
| Sign up with | 12 |
| Sign up to serve | 16 |
| Sign up to compete | 18 |
| Sign up the "SNL" producer? (var.) | 44 |
| Sign up talk-show host at town dump? | 36 |
| Sign up in summer? | 18 |
| Sign up in July? | 16 |
| Sign up for, as a contest | 25 |
| Sign up for three yrs. | 22 |
| Sign up for service | 19 |
| Sign up for more issues | 23 |
| Sign up for more | 16 |
| Sign up for military service | 28 |
| Sign up for duty | 16 |
| Sign up for class | 17 |
| Sign up for another tour | 24 |
| Sign up for an online class | 27 |
| Sign up for an offering, e.g. | 29 |