Synonyms and Antonyms for milk_thistle

1. milk thistle (n.)

any of several Old World coarse prickly-leaved shrubs and subshrubs having milky juice and yellow flowers; widely naturalized; often noxious weeds in cultivated soil


2. milk thistle (n.)

tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America