Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun illegitimate_child

1 sense of illegitimate child

Sense 1
bastard, by-blow, love child, illegitimate child, illegitimate, whoreson -- (the illegitimate offspring of unmarried parents)
       => offspring, progeny, issue -- (the immediate descendants of a person; "she was the mother of many offspring"; "he died without issue")