"formless" in the adjective sense
1. amorphous, formless, shapeless
having no definite form or distinct shape
"amorphous clouds of insects"
"an aggregate of formless particles"
"a shapeless mass of protoplasm"
2. formless
having no physical form
"belief in a world filled with...formless but often malevolent beings"
Source: WordNet® (An amazing lexical database of English)
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