| Fireman's equipment | 23 |
| Fireman's nickname | 22 |
| Firemen's apparatus | 23 |
| Firemen's concerns | 22 |
| Firemen's equipment | 23 |
| Firemen's glove material | 28 |
| Firenza maker, for short | 24 |
| Firenze's ___ Vecchio | 25 |
| Fireplace accumulation | 22 |
| Fireplace food-warming shelf | 28 |
| Fireplace grate leftovers | 25 |
| Fireplace manufacturer | 22 |
| Fireplace owner's buy | 25 |
| Fireplace, in Yorkshire | 23 |
| Fireproof material: Abbr. | 25 |
| Fires off, as a text message | 28 |
| Fires off, as an email | 22 |
| Fires, with "off" | 27 |
| Fireside chat requirement | 25 |
| Fireside mind-reading? | 22 |
| Firestone Country Club city | 27 |
| FireWire equipment brand | 24 |
| Firewood amount, often | 22 |
| Firewood storage structure | 26 |
| Firework of damp powder | 23 |
| Firework without the pop | 24 |
| Fireworks attraction, perhaps | 29 |
| Fireworks display reactions | 27 |
| Fireworks viewer's cry | 26 |
| Fireworks watcher's word | 28 |
| Fireworks with whirling tops | 28 |
| Fireworks-show byproduct | 24 |
| Firing (with "to") | 28 |
| Firing of a gossip columnist? | 29 |
| Firing on all cylinders, e.g. | 29 |
| Firing point, of a sort | 23 |
| Firm adherent to a cause | 24 |
| Firm assistant, briefly | 23 |
| Firm cheese, for short? | 23 |
| Firm container? (abbr.) | 23 |
| Firm control, metaphorically | 28 |
| Firm Dandy Warhols song? | 24 |
| Firm engaged in trading | 23 |
| Firm figure, informally | 23 |
| Firm in one's view | 22 |
| Firm or figure preceder | 23 |
| Firm up, as one's muscles | 29 |
| Firm wheels, for short | 22 |
| Firm with a spokesduck | 22 |
| Firma or cotta lead-in | 22 |
| Firmly affixed, in a way | 24 |
| Firmly loyal, as friends | 24 |
| Firmly twisted wool yarn | 24 |
| First second or third | 22 |
| First "Bond girl" | 27 |
| First "Great" pope | 28 |
| First "O" of O-O-O | 28 |
| First 007 flick (abbr.) | 23 |
| First 45 maker, briefly | 23 |
| First A.F.L.-C.I.O. president | 29 |
| First actor to play Loman | 25 |
| First AFL president, Samuel | 27 |
| First age in geologic history | 29 |
| First aid for a sprain | 22 |
| First aid provider, briefly | 27 |
| First aid provider, for short | 29 |
| First aid technique (abbr.) | 27 |
| First aide, for short? | 22 |
| First Alaskan governor | 22 |
| First album track, perhaps | 26 |
| First Amendment advocacy gp. | 28 |
| First Amendment advocacy grp. | 29 |
| First Amendment concern | 23 |
| First Amendment freedom | 23 |
| First Amendment guarantee | 25 |
| First Amendment lobbying gp. | 28 |
| First American auto company | 27 |
| First American in orbit | 23 |
| First American in space | 23 |
| First American orbiter | 22 |
| First American to orbit Earth | 29 |
| First American woman in space | 29 |
| First among the children | 24 |
| First and foremost: Abbr. | 25 |
| First and last quarters, e.g. | 29 |
| First and reverse, e.g. | 23 |
| First and second for example | 29 |
| First and Second places? | 24 |
| First and second, e.g. | 22 |
| First and second, for two | 25 |
| First and ___ (football term) | 29 |
| First animal, in a way | 22 |
| First anniversary gift | 22 |
| First apartment, perhaps | 24 |
| First application blank | 23 |
| First artificial satellite | 26 |
| First assembly-line carmaker | 28 |
| First asteroid discovered | 25 |
| First baby picture, often | 25 |
| First baby picture, perhaps | 27 |