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What is the opposite of “flat”?

What is the antonym of “flat”?

The antonyms of flat are uneven, bumpy, and hilly. These words describe surfaces that are not smooth or level.

See all the antonyms of “flat”

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!

uneven

Not level or smooth, with variations in height or surface.

Example

The pavement was uneven and made it difficult to walk without tripping.

bumpy

Having many small raised areas or bumps on the surface.

Example

The dirt road was bumpy and made the car shake.

hilly

Having many hills or slopes; not flat.

Example

The hiking trail was hilly and required a lot of effort to climb.

How are these antonyms different from each other?

  • 1Uneven describes a surface that has variations in height or surface.
  • 2Bumpy describes a surface that has many small raised areas or bumps.
  • 3Hilly describes a surface that has many hills or slopes.

Good things to know

  • 1Describing Terrain: Use these antonyms to describe the landscape or terrain.
  • 2Talking About Roads: Use these antonyms to describe the condition of roads or paths.
  • 3Discussing Sports: Use these antonyms to describe playing fields or courses.
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Remember this!

The antonyms of flat describe surfaces that are not smooth or level. Uneven describes variations in height or surface, bumpy describes small raised areas or bumps, and hilly describes many hills or slopes. Use these words to describe terrain, roads, or playing fields.

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