| Fafnir, e.g. | 12 |
| Fag | 3 |
| Fag ___ | 7 |
| Fagged | 6 |
| Fagin's end | 15 |
| Fagin's protégé on the Coast? | 39 |
| Fagin's thug | 16 |
| Fagin, for one | 14 |
| Fagin, notably | 14 |
| Fags | 4 |
| Fahd and Saud, e.g. | 19 |
| Fahd or Faisal | 14 |
| Fahd or Faisal, e.g. | 20 |
| Fahd or Hussein | 15 |
| Fahd's faith | 16 |
| Fahd's following | 20 |
| Fahd's successor in Saudi Arabia | 36 |
| Fahd, for one | 13 |
| Fahrenheit alternative | 22 |
| Fahrenheit figure, briefly | 26 |
| Fahrenheit figure: Abbr. | 24 |
| Fahrenheit reading | 18 |
| Fahrenheit successor | 20 |
| Faience glaze ingredient | 24 |
| Fail | 4 |
| Fail a polygraph | 16 |
| Fail a polygraph test | 21 |
| Fail as a stand-up comic | 24 |
| Fail at a diet | 14 |
| Fail at dieting | 15 |
| Fail at falling asleep | 22 |
| Fail at moderation | 18 |
| Fail at stoicism, say | 21 |
| Fail at the box office | 22 |
| Fail because of nerves | 22 |
| Fail but good | 13 |
| Fail completely | 15 |
| Fail financially | 16 |
| Fail ignominiously | 18 |
| Fail in a crisis | 16 |
| Fail in a hurry | 15 |
| Fail in an attempt | 18 |
| Fail in business | 16 |
| Fail in the clutch | 18 |
| Fail miserably | 14 |
| Fail miserably after starting well | 34 |
| Fail miserably, in slang | 24 |
| Fail on a grand scale | 21 |
| Fail on Broadway | 16 |
| Fail spectacularly | 18 |
| Fail spectacularly, like a skateboarder | 39 |
| Fail suddenly, as a laptop | 26 |
| Fail suddenly, with "out" | 35 |
| Fail tail | 9 |
| Fail tail? | 10 |
| Fail the sobriety test, in a way | 32 |
| Fail to act | 11 |
| Fail to allow | 13 |
| Fail to analyze | 15 |
| Fail to appear in court, maybe | 30 |
| Fail to attend | 14 |
| Fail to be | 10 |
| Fail to be alert | 16 |
| Fail to be buoyant | 18 |
| Fail to be honest | 17 |
| Fail to be indefatigable | 24 |
| Fail to be perfect | 18 |
| Fail to be specific | 19 |
| Fail to be subtle in checking someone out | 41 |
| Fail to be truthful | 19 |
| Fail to break, as a curveball | 29 |
| Fail to bring | 13 |
| Fail to catch | 13 |
| Fail to chill | 13 |
| Fail to clash | 13 |
| Fail to clear, as a check | 25 |
| Fail to come close | 18 |
| Fail to conceal one's worry | 31 |
| Fail to conceal your worry | 26 |
| Fail to connect | 15 |
| Fail to connect with | 20 |
| Fail to conquer | 15 |
| Fail to consider | 16 |
| Fail to do | 10 |
| Fail to do as promised | 22 |
| Fail to enforce | 15 |
| Fail to enlighten | 17 |
| Fail to enter | 13 |
| Fail to enunciate | 17 |
| Fail to enunciate, in a way | 27 |
| Fail to eschew edibles | 22 |
| Fail to espy | 12 |
| Fail to fail | 12 |
| Fail to fall asleep, in a way | 29 |
| Fail to field a grounder | 24 |
| Fail to finish school | 21 |
| Fail to float | 13 |
| Fail to follow | 14 |
| Fail to follow orders | 21 |
| Fail to follow suit | 19 |