| FLAT | "Apartment," to a Brit |
| FLAT | "Head" or "foot" preceder |
| FLAT | "Screen" or "iron" start |
| FLAT | "___ Stanley" (children's book about a boy who can mail himself in an envelope) |
| FLAT | A rate that is fixed, non-variable |
| FLAT | A semitone lower in pitch |
| FLAT | Accidental |
| FLAT | Airless tire |
| FLAT | Airless tire, informally |
| FLAT | And no more |
| FLAT | Apartment |
| FLAT | Apartment in London? |
| FLAT | Apartment, in England |
| FLAT | Apartment, to Brits |
| FLAT | As __ as a pancake |
| FLAT | Auto trouble |
| FLAT | Ballet __ |
| FLAT | Ballet slipper, e.g. |
| FLAT | Bedsit |
| FLAT | Below pitch |
| FLAT | Bicycle tire's problem |
| FLAT | Bland |
| FLAT | Blowout result |
| FLAT | Brit's apartment |
| FLAT | British term for an apartment |
| FLAT | British word for an apartment |
| FLAT | Chelsea apartment |
| FLAT | Completely horizontal |
| FLAT | Counterpart of sharp, in music |
| FLAT | Cyclist's problem |
| FLAT | Day-old soda or seltzer |
| FLAT | Dead-tired? |
| FLAT | Deflated bike tire |
| FLAT | Deflated tire |
| FLAT | Down a half step, say |
| FLAT | Driver's bane |
| FLAT | Driver's headache |
| FLAT | Driver's woe |
| FLAT | Dull |
| FLAT | Dull accommodation |
| FLAT | Dull and dreary |
| FLAT | Dull and lifeless |
| FLAT | Dull apartment |
| FLAT | Even |
| FLAT | Even, flush |
| FLAT | Fell ___ (flopped) |
| FLAT | Fizzless |
| FLAT | Fizzless drink |
| FLAT | Fizzless, as a Coke |
| FLAT | Fizzless, as a soda |
| FLAT | Fizzless, as a soft drink |
| FLAT | Free of fizz |
| FLAT | Fully horizontal |
| FLAT | Good for a bike route, bad for a bike tire |
| FLAT | Having a level surface |
| FLAT | Having a slope of zero |
| FLAT | Having an even surface |
| FLAT | Heel's opposite |
| FLAT | Heelless shoe |
| FLAT | Holding steady |
| FLAT | Horizontal |
| FLAT | Horizontal surface |
| FLAT | Horizontally level |
| FLAT | In music, the sign that, when placed before a note, lowers it in pitch by a semitone |
| FLAT | Iron or foot preceder |
| FLAT | John Steinbeck's "Tortilla ___" |
| FLAT | Kansaslike |
| FLAT | Kid-lit series "___ Stanley" |
| FLAT | Kind of 28-Down or 57-Down |
| FLAT | Lacking air, deflated |
| FLAT | Lacking fizz |
| FLAT | Lacking fizz, as soda |
| FLAT | Lacking life |
| FLAT | Lacking pep |
| FLAT | Lacking pop |
| FLAT | Lacking sparkle |
| FLAT | Lacking ups and downs |
| FLAT | Lackluster |
| FLAT | Level |
| FLAT | Level and smooth |
| FLAT | Level, even |
| FLAT | Level, horizontal |
| FLAT | Like 31-Across that has lost its fizz |
| FLAT | Like 9-Across that has lost its fizz |
| FLAT | Like Kansas, topologically |
| FLAT | Like a basketball with no air |
| FLAT | Like a bike tire that needs air |
| FLAT | Like a cartoon character who's been squished by a steamroller |
| FLAT | Like a deflated tire |
| FLAT | Like a level surface |
| FLAT | Like a pancake |
| FLAT | Like a problematic tire |
| FLAT | Like a soda with no fizz |
| FLAT | Like a tire that needs changing |
| FLAT | Like a tire that's been punctured |
| FLAT | Like a tire with no air |
| FLAT | Like a volleyball with no air |
| FLAT | Like an airless tire |
| FLAT | Like an inconvenient tire |
| FLAT | Like bubble-less soda |
| FLAT | Like coke without fizz |
| FLAT | Like coke, sometimes |
| FLAT | Like day-old seltzer |
| FLAT | Like earnings in some reports |
| FLAT | Like fizzless soda |
| FLAT | Like fizz-less soda |
| FLAT | Like footwear with no heel |
| FLAT | Like ginger ale that's been sitting out for a while |
| FLAT | Like hair after removing a beanie |
| FLAT | Like most land in the Midwest |
| FLAT | Like much desert terrain |
| FLAT | Like old soda |
| FLAT | Like seltzer that was left out overnight |
| FLAT | Like shoes without heels |
| FLAT | Like soda after sitting out for a while |
| FLAT | Like soda lacking in fizz |
| FLAT | Like soda left out overnight |
| FLAT | Like soda that is no longer fizzy |
| FLAT | Like soda that's been sitting out for too long |
| FLAT | Like soda that's lost its fizz |
| FLAT | Like soda that’s no longer fizzy |
| FLAT | Like some bad singing |
| FLAT | Like some fees and feet |
| FLAT | Like some rates |
| FLAT | Like some stale beer |
| FLAT | Like sparkling water that lost its sparkle |
| FLAT | Like stale soda |
| FLAT | Like stale soda water |
| FLAT | Like the plains |
| FLAT | Like the top of a mesa |
| FLAT | Like the villain in “Who Framed Roger Rabbit,” after being run over by a steamroller |
| FLAT | Like the world to pre-Columbians |
| FLAT | Like the world, to the ancients |
| FLAT | London apartment |
| FLAT | London rental |
| FLAT | Londoner's home, perhaps |
| FLAT | Lower than the intended musical pitch |
| FLAT | Monotonous |
| FLAT | Motorist's headache |
| FLAT | Motorist's woe |
| FLAT | Musical counterpart of a sharp |
| FLAT | Musical symbol |
| FLAT | Musical symbol resembling a lowercase b |
| FLAT | Musical symbol that, when placed before a note, lowers it in pitch by a semitone |
| FLAT | Needing reinflation |
| FLAT | Needing to get keyed up? |
| FLAT | Needing tuning, maybe |
| FLAT | No longer carbonated |
| FLAT | No longer fizzy |
| FLAT | No longer fizzy, as soda |
| FLAT | Not bumpy, like a road |
| FLAT | Not carbonated |
| FLAT | Not fizzy anymore |
| FLAT | Not having enough carbonation |
| FLAT | Not hilly |
| FLAT | Not increasing, as earnings |
| FLAT | Not rounded, like a pancake |
| FLAT | Not sharp |
| FLAT | Not singing in tune |
| FLAT | Off-key |
| FLAT | Off-key low |
| FLAT | Off-key, in a way |
| FLAT | Off-pitch |
| FLAT | Off-pitch, musically |
| FLAT | On one level |
| FLAT | One might force you to retire |
| FLAT | One way to be turned down |
| FLAT | One way to fall |
| FLAT | Opposite of "sharp", in music |
| FLAT | Opposite of sharp, in music |
| FLAT | Out of air, as a tire |
| FLAT | Out of fizz |
| FLAT | Out of tune |
| FLAT | Out of tune ... or bubbles |
| FLAT | Outright |
| FLAT | Pad |
| FLAT | Paint finish |
| FLAT | Paint finish option |
| FLAT | People once thought the Earth was like this |
| FLAT | Pitched too low |
| FLAT | Precisely, in time |
| FLAT | Punctured tire |
| FLAT | Punctured tyre |
| FLAT | See 12 Across |
| FLAT | Seedling container |
| FLAT | Sharp counterpart |
| FLAT | Sharp's counterpart |
| FLAT | Sharp's counterpart, in music |
| FLAT | Sharp's counterpart, to a musician |
| FLAT | Sharp's opposite |
| FLAT | Sharp’s counterpart |
| FLAT | Sheet music notation |
| FLAT | Shoe with little to no heel |
| FLAT | Short on pizazz |
| FLAT | Showing no growth |
| FLAT | Smooth |
| FLAT | Smooth and even in texture |
| FLAT | Smooth and level |
| FLAT | Smooth and level, as a surface |
| FLAT | Smooth to the touch |
| FLAT | Smooth, even leveled |
| FLAT | Soho apartment |
| FLAT | This can be a wheel --> |
| FLAT | Tiny bit under-pitched |
| FLAT | Tire in need of repair |
| FLAT | Tire mishap |
| FLAT | Tire problem |
| FLAT | Tire that needs air |
| FLAT | Tire that needs changing |
| FLAT | Tire that needs repair |
| FLAT | Tire that needs replacing |
| FLAT | Tire trouble |
| FLAT | Tire with no air |
| FLAT | Too low in an orchestra pit? |
| FLAT | Too low, musically |
| FLAT | Tuned too low |
| FLAT | Two-dimensional |
| FLAT | Type of residence |
| FLAT | UK term for an apartment |
| FLAT | Unchanged |
| FLAT | Unchanged, as on an earnings report |
| FLAT | Unexciting |
| FLAT | Unexciting apartment |
| FLAT | Unfizzy |
| FLAT | Unfizzy, as soda |
| FLAT | Unshiny |
| FLAT | Unusable tire |
| FLAT | Un-fizzy |
| FLAT | Utterly |
| FLAT | What a 17-Across might get assistance with |
| FLAT | What a spare tire typically replaces |
| FLAT | What an a cappella singer never wants to be |
| FLAT | What the Earth is, on maps |
| FLAT | With 24-Down, blowout result |
| FLAT | With no air, as a tire |
| FLAT | Without a heel (shoe) |
| FLAT | Without air, as a tire |
| FLAT | Without bubbles |
| FLAT | Without hills |
| FLAT | Without sparkle |
| FLAT | Woman's shoe |
| FLAT | Word that can precede the first parts of 17- and 59-Across and 11- and 25-Down |
| FLAT | Word with panel or screen |
| FLAT | You might take a lift to one |
| FLAT | __ as a pancake |
| FLAT | ___ as a pancake |
| FLAT | ___ cake, common cooking mishap involving an unrisen angel cake |
| FLAT | ___-screen TV |
| FLAT | ♭ |
| FLAT | ♭, in music |
| FLAT | *See 61-Across |
| FLAT | *Smooth |