Definition of libelously in US English:

libelously

(British libellously)

adverb

  • See libelous

    • ‘I asked my father if I could put the previous post up, as he and my mother are slandered libellously.’
    • ‘Various characters, good and bad, from high life and low (many of whom were libellously identified with characters of the day), covet and become corrupted by the golden coin.’