unshapable
/ʌnˈʃæpeɪbəl/Definitions
1. adjective
Impossible to shape or mould; having no shape or form.
“The unshapable mass of rocks made climbing the mountain extremely difficult.”
2. adjective
Lacking shape or form, especially in a way that is aesthetically unpleasing or unattractive.
“The artist struggled to create a sculpture from the unshapable lumps of clay.”