great ragweed great pyrenees • great reed · · · Info · Definitions · Synonyms · Characters · · great ragweed · · Text Common · · Latin · · Scripts 13 · · Length 2 · · Syllables Definitions · · · (noun) a coarse annual with some leaves deeply and palmately three-cleft or five-cleft. Synonyms: great ragweed, Ambrosia trifida. · · Noun Definition 1 Synonyms · · · ambrosia trifida · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077