IPA: /ˈflætənd/
KK: /ˈflætənd/
Made to be flat or level, often as a result of pressure or force.
The flattened cardboard box was easy to store in the closet.
Comparative: flatter
Superlative: flattest
To make something flat or level by pressing it down or removing its height.
The baker flattened the dough before rolling it out.
Past: flattened
Past Participle: flattened
Flattened → It is formed from "flat" (from Old English *flaet*, meaning level or smooth) and the suffix "-en" (meaning to make or become). The word "flattened" means to make something level or smooth.
Think of making something 'level' ('flat') — the '-en' means to make it so. This helps you remember that 'flattened' means to make something flat.