(transitive) To make monstrous or like a monster; make hideous; deform.
(transitive) To fill or cover with monsters.
1812, William Tennant, Anster Fair, Edinburgh: George Goldie, 2nd edition, 1814, Canto 4, Stanza 21, p. 119,
So leap’d the men, half-sepulchred in sack,
Up-swinging, with their shapes be-monstring sky,
(transitive) To regard or treat (someone) as a monster; to call (someone) a monster.
1921, R. H. Case, Review of The Percy Reprints: The Unfortunate Traveller by Thomas Nashe, The Modern Language Review, Volume 16, No. 1, January 1921, p. 77,
It […] ends with a crude but forceful intensification of the lust and blood of the Italian novella, complicated with the popular theme of scandalising the Pope and bemonstering the Jew.
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