the state or condition of being a bastard; illegitimacy.
the act of begetting a bastard.
Origin of bastardy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
archaic the condition of being a bastard; illegitimacy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
early 14c., "condition of illegitimacy," from Anglo-French and Old French bastardie, from bastard (see bastard). As "begetting of bastards, fornication" from 1570s.
Online Etymology Dictionary, © 2010 Douglas Harper