Synonyms and Antonyms for bitterweed

1. bitterweed (n.)

widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States

Synonyms: Antonyms:

2. bitterweed (n.)

any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

Synonyms: Antonyms: