We found 24 dictionaries that define the word alyssum:

General (20 matching dictionaries)

1. alyssum: Merriam-Webster
2. Alyssum, alyssum: Oxford Learner's Dictionaries
3. alyssum: American Heritage Dictionary of the English Language
4. alyssum: Collins English Dictionary
5. Alyssum, alyssum: Vocabulary.com
6. Alyssum, alyssum: Wordnik
7. alyssum: Wiktionary
8. alyssum: Webster's New World College Dictionary, 4th Ed.
9. alyssum: The Wordsmyth English Dictionary-Thesaurus
10. alyssum: Infoplease Dictionary
11. Alyssum, alyssum: Dictionary.com
12. Alyssum: Wikipedia, the Free Encyclopedia
13. Alyssum: Online Plain Text English Dictionary
14. alyssum: Webster's Revised Unabridged, 1913 Edition
15. Alyssum: Rhymezone
16. Alyssum: AllWords.com Multi-Lingual Dictionary
17. alyssum: FreeDictionary.org
18. alyssum: Mnemonic Dictionary
19. alyssum: TheFreeDictionary.com
20. alyssum: Merriam-Webster

Computing (1 matching dictionary)

21. alyssum: Encyclopedia

Medicine (1 matching dictionary)

22. online medical dictionary (No longer online)

Science (1 matching dictionary)

23. Alyssum: Botanical Name listing of Plants

Slang (1 matching dictionary)

24. alyssum: Urban Dictionary

(Note: See alyssums as well.)

Definitions from Wiktionary (alyssum) ▸ noun:  Any of several plants, of the genus Alyssum, mostly of Eurasian origin, that have racemes of white or yellow flowers. Similar: madwort, genus alyssum, sweet alyssum, althea, asphodel, azaleamum, agrimony, olusatrum, erysimum, amaryllid, more... Types: sweet alyssum, garden alyssum, wild alyssum, alpine alyssum, silver alyssum, more... Phrases: sweet alyssum, hoary alyssum, genus alyssum, more... Adjectives: sweet, white, yellow, hoary, annual, golden, purple, perennial, vivid, pink, scented Colors:     white,     yellow,     pink,     purple,     lavender, more... ▸ Words similar to alyssum ▸ Usage examples for alyssum ▸ Idioms related to alyssum ▸ Wikipedia articles (New!) ▸ Popular adjectives describing alyssum ▸ Words that often appear near alyssum ▸ Rhymes of alyssum ▸ Invented words related to alyssum