flat
Smooth and level, not bumpy or sloping.
Having a smooth, level surface without raised areas or slopes.
A home inside a building, usually on one floor.
A set of rooms forming a complete living space within part of a building, typically on one floor.
Not interesting or lively; boring or without change.
Lacking energy, interest, or variation; dull or monotonous.
Not fizzy anymore.
Having lost its bubbles or fizz, especially in carbonated drinks.
Lying straight with no part higher than another.
Lying completely level against something, without being raised at any part.
- Base: flat
- Comparative: flatter
- Superlative: flattest
- Base: flat
- Plural: flats
- Irregular comparative: flatter Adjective
- Irregular superlative: flattest Adjective
fall flat on one's face
1Fail in an embarrassing way
To fail badly and embarrass yourself, sometimes by literally falling forward onto your face.
- He fell flat on his face during the presentation.
- I tried to impress her but fell flat on my face.
flat as a pancake
1Extremely level or thin shape
Very level and without height or curves.
- The land here is as flat as a pancake.
- After sitting on it, the cushion was as flat as a pancake.
flat as a pancake
1extremely flat
very, very flat
- After the tire blew, it was flat as a pancake.
- The old pillow is flat as a pancake now.
- The field looked flat as a pancake from the hill.
- My bike tire is flat as a pancake.
flat out
1At full speed or very tired
Working as hard as possible, moving as fast as possible, or being very tired (depending on context).
- We’ve been working flat out to meet the deadline.
- He was running flat out to catch the bus.
fall flat
1Fail to have intended effect
To fail to have the effect you wanted, especially to be funny or impressive.
- His joke fell flat and no one laughed.
- His attempt at a joke fell flat and no one laughed.
- The campaign fell flat despite heavy promotion.
- The advertising campaign fell flat with younger audiences.