simple past and past participle of barb
Having barbs.
An adjective "barbed" is used in heraldry to describe something that has barbs of a certain color, or in the context of a bird, to describe something that has gills or wattles, or in the context of a rose, to describe something that has sepals or leaves between the petals.
(of language, etc.) Deliberately hurtful; biting; caustic.
(of a horse) Accoutered with defensive armor; barded.