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A metaphysical doctrine denying the existence of matter.

im′ma·te′ri·al·ist adj. & n.


1. (Philosophy) the doctrine that the material world exists only in the mind
2. (Philosophy) the doctrine that only immaterial substances or spiritual beings exist. See also idealism3
ˌimmaˈterialist n


(ˌɪm əˈtɪər i əˌlɪz əm)

a doctrine that there is no material world, but that all things exist only in and for the mind.


the belief that material things have no objective existence but exist only as mental perceptions. — immaterialist, n.immaterial, adj.
See also: Philosophy
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References in periodicals archive ?
But pragmatism is never defined by Professor Case; those among us committed to the idealist interpretation of the New England author may yet find in Thoreau's Kalender grounds for an idealist interpretation of the author's nature study along the lines given by George Berkeley's immaterialism, where perceived reality must always be reported as mind-dependent.
4) For Deleuze, "the materialism of philosophy is compromised only when the immaterial is harnessed to the transcendent: without resort to the transcendent, immaterialism and materialism can be kept on the same plane--immanence--and made to interact productively" (Surin 161).
However, like Samuel Johnson's famous refutation of Berkeley's immaterialism, "striking his foot with mighty force against a large stone, till he rebounded from it, 'I refute it thus.