We found 18 dictionaries that define the word illusional:

General (11 matching dictionaries)

1. illusional: Merriam-Webster
2. illusional: Oxford Learner's Dictionaries
3. illusional: Collins English Dictionary
4. illusional: Vocabulary.com
5. illusional: Wordnik
6. illusional: Wiktionary
7. illusional: Dictionary.com
8. illusional: Rhymezone
9. illusional: FreeDictionary.org
10. illusional: Mnemonic Dictionary
11. illusional: TheFreeDictionary.com

Business (1 matching dictionary)

12. illusional: Legal dictionary

Computing (1 matching dictionary)

13. illusional: Encyclopedia

Medicine (4 matching dictionaries)

14. illusional: Merriam-Webster Medical Dictionary
15. Illusional: MedFriendly Glossary
16. online medical dictionary (No longer online)
17. illusional: Medical dictionary

Slang (1 matching dictionary)

18. illusional: Urban Dictionary

(Note: See illusion as well.)

Definitions from Wiktionary (illusional) ▸ adjective:  Illusory; being or pertaining to an illusion. Similar: illusionary, unreal, illative, imaginal, imaginational, illuministic, delusional, allusory, hallucinative, hallucinational, more... Opposite: realistic, factual, truthful, genuine, authentic Types: optical, mirage, pareidolia, pareidolian, apophenia, autosuggestion, illusion, more... ▸ Words similar to illusional ▸ Usage examples for illusional ▸ Idioms related to illusional ▸ Wikipedia articles (New!) ▸ Popular nouns described by illusional ▸ Words that often appear near illusional ▸ Rhymes of illusional ▸ Invented words related to illusional