| Firm adherent to a cause | 24 |
| Firing point, of a sort | 23 |
| Firing on all cylinders, e.g. | 29 |
| Firing of a gossip columnist? | 29 |
| Firing (with "to") | 28 |
| Fireworks-show byproduct | 24 |
| Fireworks with whirling tops | 28 |
| Fireworks watcher's word | 28 |
| Fireworks viewer's cry | 26 |
| Fireworks display reactions | 27 |
| Fireworks attraction, perhaps | 29 |
| Firework without the pop | 24 |
| Firework of damp powder | 23 |
| Firewood storage structure | 26 |
| Firewood amount, often | 22 |
| FireWire equipment brand | 24 |
| Firestone Country Club city | 27 |
| Fireside mind-reading? | 22 |
| Fireside chat requirement | 25 |
| Fires, with "off" | 27 |
| Fires off, as an email | 22 |
| Fires off, as a text message | 28 |
| Fireproof material: Abbr. | 25 |
| Fireplace, in Yorkshire | 23 |
| Fireplace owner's buy | 25 |
| Fireplace manufacturer | 22 |
| Fireplace grate leftovers | 25 |
| Fireplace food-warming shelf | 28 |
| Fireplace accumulation | 22 |
| Firenze's ___ Vecchio | 25 |
| Firenza maker, for short | 24 |
| Firemen's glove material | 28 |
| Firemen's equipment | 23 |
| Firemen's concerns | 22 |
| Firemen's apparatus | 23 |
| Fireman's nickname | 22 |
| Fireman's equipment | 23 |
| Fireman's door opener | 25 |
| Fireman's chopping tool | 27 |
| Firefox extension, e.g. | 23 |
| Fireflite of the 1950s, e.g. | 28 |
| Firefighting substance | 22 |
| Firefighting operation | 22 |
| Firefighting legend Red | 23 |
| Firefighting implement | 22 |
| Firefighting equipment | 22 |
| Firefighters, in slang | 22 |
| Firefighters, at times | 22 |
| Firefighters' tools | 23 |
| Firefighters' quality | 25 |
| Firefighters' instruments | 29 |
| Firefighters' gear | 22 |
| Firefighters' equipment | 27 |
| Firefighters' descriptor | 28 |
| Firefighters' bane | 22 |
| Firefighters' activity | 26 |
| Firefighters with buckets | 25 |
| Firefighter's vehicle | 25 |
| Firefighter's tool | 22 |
| Firefighter's requirement | 29 |
| Firefighter's need, maybe | 29 |
| Firefighter's need | 22 |
| Firefighter's implement | 27 |
| Firefighter's handful | 25 |
| Firefighter's gear | 22 |
| Firefighter's footwear | 26 |
| Firefighter's feat | 22 |
| Firefighter's coil | 22 |
| Firefighter's chopper | 25 |
| Firefighter's burden | 24 |
| Firefighter's bane | 22 |
| Firedome or Adventurer | 22 |
| FireDome and FireSweep | 22 |
| FireDome and Fireflite | 22 |
| FireDome and Adventurer, e.g. | 29 |
| Fired, with "off" | 27 |
| Fired up again, as a lantern | 28 |
| Fired loaded shells at? | 23 |
| Fired in the direction of | 25 |
| Firecrackers' paths | 23 |
| Firecrackers go off on it | 25 |
| Firecracker's trajectory | 28 |
| Firecracker's path | 22 |
| Firecracker with no fire | 24 |
| Firecracker that fizzles | 24 |
| Firecracker that fails | 22 |
| Firebird's feature | 22 |
| Firearms introduced in 1950 | 27 |
| Firearm safety mechanism | 24 |
| Fire-___ (carnival performer) | 29 |
| Fire-starter's material | 27 |
| Fire-setter's crime | 23 |
| Fire-resistant material | 23 |
| Fire-hydrant attachments | 24 |
| Fire-hydrant attachment | 23 |
| Fire-fighting equipment | 23 |
| Fire-engine appurtenance | 24 |
| Fire-engine and Indian, e.g. | 28 |
| Fire-engine accessories | 23 |
| Fire-breathing monster | 22 |