formless
形容词无定形的，没有形状的，形体不明的
1. 没有清楚结构的;无定形的
Something that is formless does not have a clear or definite structure or shape.
e.g. A series of largely formless images rushed across the screen.
一连串相当混乱的影像在屏幕上闪过。
adj
1. having no physical form
e.g. belief in a world filled with...formless but often malevolent beings
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2. having no definite form or distinct shape
e.g. amorphous clouds of insects
an aggregate of formless particles
a shapeless mass of protoplasm