form ‧ less /ˈfɔːmləs $ ˈfɔːrm-/ BrE AmE adjective
[ Word Family: noun : ↑ form , ↑ formation , ↑ transformation , ↑ reformer , ↑ reform , ↑ reformation , ↑ reformist , ↑ transformer , ↑ formlessness ; verb : ↑ form , ↑ reform , ↑ transform ; adjective : reformed, ↑ reformist , ↑ formless ; adverb : ↑ formlessly ]
without a definite shape:
To the listener, this music is incoherent and formless.
formless horrors that await you in the fog
—formlessly adverb
—formlessness noun [uncountable]