flattened

adjective
UK /ˈflæt.ənd/
US /ˈflæt̬.ənd/

Made flat or pressed down so it is not bumpy.

The pancake was flattened by the heavy pan.


OTHER MEANINGS

2. Knocked down to the ground.

The strong wind flattened the tall grass.

3. Made dull or less lively.

His joke fell flat and the mood was flattened.

4. In music, made lower in pitch by a semitone.

The note was flattened to fit the tune.