IPA: /ʌnˈmoʊld/
KK: /ʌnˈmoʊld/
To change something from a specific shape or form back to its original state or to a different shape.
After baking, you need to unmould the cake carefully to avoid breaking it.
Past: unmoulded
Past Participle: unmoulded
Unmould → It is formed from "un-" (meaning not or opposite of) and "mould" (from Old English "maldan", meaning to shape or form). The word "unmould" means to remove from a shape or to not shape something.
Think of 'not shaping' something ('un-') — that's what unmould means.