quack
noun
[ kwak ]
• the characteristic harsh sound made by a duck.
• "I heard a quack and saw some ducks huddled together"
quack
verb
• (of a duck) make a quack.
• "ducks quacked from the lake"
Origin:
mid 16th century (as a verb): imitative.
quack
noun
• a person who dishonestly claims to have special knowledge and skill in some field, typically medicine.
• "a quack doctor"
Similar:
swindler,
charlatan,
mountebank,
confidence trickster,
fraud,
fraudster,
impostor,
trickster,
racketeer,
hoaxer,
sharper,
rogue,
villain,
scoundrel,
con man,
shark,
flimflammer,
sharp,
twister,
grifter,
bunco artist,
chiseller,
shicer,
magsman,
illywhacker,
confidence man,
defalcator,
Origin:
mid 17th century: abbreviation of earlier quacksalver, from Dutch, probably from obsolete quacken ‘prattle’ + salf, zalf (see salve1).
