shapeless
Definitions
Lacking a definite or regular shape; formless.
Not having a distinct or attractive physical form.
Examples
The ghost appeared as a shapeless mass of mist drifting through the hallway.
She wore a shapeless grey dress that did nothing to flatter her figure.
The clay remained a shapeless lump on the wheel until the potter began to mold it.
Synonyms
amorphous formless unstructured nebulous vague undefined indistinct