English

Adjective

vinagrous ‎(comparative more vinagrous, superlative most vinagrous)

1. (rare) Resembling vinegar; sour.
   • 1837 Thomas Carlyle, The French Revolution: A History

     The fair Palace Dames publicly declare that this Lafayette, detestable though he be, is their saviour for once. Even the ancient vinaigrous Tantes admit it.