A nightmare or evil dream; a condition combining benight with nightmare, suggesting bad dreams in darkness; an archaic or very rare term.
A rare or possibly fabricated compound combining benight and nightmare. This word is extremely obscure and may not appear in standard dictionaries; its etymology and usage remain highly uncertain.
Benightmare might be the kind of word that makes English seem infinite—combining 'benight' with 'nightmare' to mean a bad dream in darkness—but it's so rare it's basically a ghost word that exists in nobody's actual vocabulary.
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