Home › Words › U › unscienceunscienceunscience means that which is unscientific or pseudoscientific.EtymologyFrom Middle English unscience (“false knowledge or understanding”), equivalent to un- + science.nounThat which is unscientific or pseudoscientific.e.g.“It has been used in medicine from time immemorial; but until recently its use was nothing more than a species of mere unscience, shadowed in mystery.” — 1900, John Vosburgh Stevens, editor, The Annual of Eclectic Medicine and Surgery:Definitions & examples from Wiktionary (CC BY-SA 3.0).