noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   frostweed uncountable
2. 2
   perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts wordnet

Synonyms

All synonyms

crocanthemum canadensefrost-weedfrostweedfrostweedhelianthemum canadense

Etymology

From frost + wort.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.