flatter
/ˈflætə/adjective
More level and even, with fewer rises or dips in height.
Example sentences
- “The road becomes flatter once you leave the hills.”
- “We looked for a flatter spot to pitch the tent.”
This is simply the comparative of 'flat'. The unrelated verb 'to flatter', meaning to praise insincerely, is far more common; context keeps them apart.