Synonyms of counterfeit in English:

counterfeit


See definition of counterfeit

adjective

1‘they were charged with supplying counterfeit cassettes’

SYNONYMS
fake, faked, copied, forged, feigned, simulated, sham, spurious, bogus, imitation, substitute, dummy, ersatz
informal knock-off, pirate, pirated, phoney, pseud, pseudo
British informal, dated cod
ANTONYMS

genuine


noun

1‘the shopkeeper knew the notes to be counterfeits’

SYNONYMS
fake, forgery, copy, reproduction, replica, imitation, likeness, lookalike, mock-up, dummy, substitute, fraud, sham
informal phoney, pirate, knock-off, rip-off, put-on, dupe
ANTONYMS

original


verb

1‘my signature is extremely hard to counterfeit’

SYNONYMS
fake, forge, copy, reproduce, replicate, imitate, simulate, feign, falsify, sham
informal pirate