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

3 senses of bastard

Sense 1
asshole, bastard, cocksucker, dickhead, shit, mother fucker, motherfucker, prick, whoreson, son of a bitch, SOB -- (insulting terms of address for people who are stupid or irritating or ridiculous)
       => unpleasant person, disagreeable person -- (a person who is not pleasant or agreeable)

Sense 2
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")

Sense 3
bastard, mongrel -- (derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin; "the architecture was a kind of bastard suggesting Gothic but not true Gothic")
       => variation -- (an artifact that deviates from a norm or standard; "he patented a variation on the sandal")

Antonyms of adj bastard

1 sense of bastard

Sense 1
bogus, fake, phony, phoney, bastard -- (fraudulent; having a misleading appearance)

INDIRECT (VIA counterfeit) -> genuine, echt -- (not fake or counterfeit; "a genuine Picasso"; "genuine leather")

Similarity of adj bastard

1 sense of bastard

Sense 1
bogus, fake, phony, phoney, bastard -- (fraudulent; having a misleading appearance)
       => counterfeit (vs. genuine), imitative -- (not genuine; imitating something superior; "counterfeit emotion"; "counterfeit money"; "counterfeit works of art"; "a counterfeit prince")