| 100% | ATLOOSEENDS | 11 | Not knowing what to do |
| 100% | ATSEA | 5 | Not knowing what to do |
| 94% | ATALOSS | 7 | Not know what to do (3 wds) |
| 82% | ENDS | 4 | At loose ___ (not knowing what to do) |
| 81% | LOOSE | 5 | At ___ ends (not knowing what to do next) |
| 69% | CARDSHARPS | 10 | Ones who usually know what to do with their hands |
| 67% | ELSE | 4 | "I don't know what ___ to do" |
| 67% | WITS | 4 | "I'm at my ___ end!" ("I don't know what to do!") |
| 67% | HUM | 3 | What to do when you don't know the words |
| 67% | TACT | 4 | Knowing what not to say, say |
| 65% | LEANONME | 8 | What to do "when you're not strong," in a 1972 hit |
| 64% | HUM | 3 | What to do when you don't know the words to a song |
| 62% | PLATO | 5 | Who said "Courage is knowing what not to fear" |
| 61% | RAREMEAT | 8 | What's just not done, to some diners? |
| 60% | PASSGO | 6 | What one does not do when sent to jail |
| 60% | PEEK | 4 | What not to do before December 25? |
| 60% | TMI | 3 | "I did not need to know that!" |
| 60% | TMI | 3 | "I did NOT need to know that" |
| 59% | TUGON | 5 | What not to do to Superman's cape |
| 59% | STIR | 4 | What not to do to Bond's martini |
| 59% | OPEN | 4 | What not to do with Pandora's box? |
| 59% | TMI | 3 | "Jeez, I did NOT need to know that!" |
| 59% | TMI | 3 | Brief "I did not need to know that!" |
| 59% | TMI | 3 | "Yeah . . . I did not need to know that" |
| 58% | PASSHERBY | 9 | What she did to not acknowledge a girlfriend on the street? |
| 58% | TMI | 3 | "Eww, I did not need to know that!": Abbr. |
| 58% | TMI | 3 | "I did NOT need to know that," for short |
| 57% | POUT | 4 | What "you better not" do, in "Santa Claus Is Comin' to Town" |
| 57% | TASK | 4 | What to do |
| 57% | AGENDA | 6 | What to do |