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immaterial

mastery

UK /ˌɪ.məˈtɪə.ɹɪ.əl/ US /ˌɪ.məˈtɪ.ɹi.əl/adjnoun

card 1 of 10 · context meaning

Which meaning of 'immaterial' best fits the sentence?

Some believe that because ghosts are immaterial, they can pass through walls.