(n.) Erroneous conception; false opinion; wrong understanding.

abuse of terms airy nothing autism bubble catachresis chimera clerical error contorting corrigendum daydream deception deluded belief delusion dereism distortion dream dream vision dreamland dreamworld eisegesis erratum error failure false belief fault faute garbling gloss human error ignis fatuus illusion malentendu malobservation misapplication misapprehension misbelief miscalculation miscarriage miscitation misconstruction miscount misdeal misexplanation misexplication misexposition misidentification misintelligence misinterpretation misjudgment misplay misprint misquotation misreading misrendering misreport miss misstatement mistake mistranslation misunderstanding misuse misuse of words perversion pipe dream self-deceit self-deception self-delusion squeezing torturing trick trip twisting typo typographical error vapor wrenching wrong impression