flat
Having no variations in height.
Example
“The land around here is flat.”
Other meanings
In a horizontal line or plane; not sloping.
smooth; having no protrusions, indentations or other surface irregularities, or relatively so.
Example sentences
Word history
From Old Norse "flatr".
Where this comes from
This definition is adapted from “flat” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.