Flat out and Flat

Flat out adverb - At top speed.

Flat and flat out are semantically related in strong topic. In some cases you can use "Flat" instead the phrase "Flat out" as an adverb or an adjective, when it comes to topics like big.

Flat adverb - To a full extent or degree.

Flat out and flat are semantically related in strong topic. Sometimes you can use "Flat out" instead the word "Flat" as an adverb or an adjective.

Nearby Words: flatter, flatly, flatness, flatlet, flatting