The definition of a barb is a very strong insult or criticism.
(noun)Telling someone to drop dead is an example of a barb.
See barb in Webster's New World College Dictionary
noun
Origin: ME & OFr barbe < L barba, beard
transitive verb
noun
Origin: Fr barbe, Barbary horse < It barbero < Ar Barbar, Berber
See barb in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English barbe
Origin: , from Old French, beard
Origin: , from Latin barba; see bhardh-ā- in Indo-European roots
.noun
Origin:
Origin: French barbe
Origin: , from Italian barbero, Berber
Origin: , from Vulgar Latin Barbaria, Barbary States
Origin: , from Latin barbarus, barbarous; see barbarous
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