We found 25 dictionaries that define the word spaced out:

General (19 matching dictionaries)

1. spaced out: Longman Dictionary of Contemporary English
2. spaced-out, spaced out: Merriam-Webster
3. spaced-out: American Heritage Dictionary of the English Language
4. spaced out: Collins English Dictionary
5. spaced-out: Vocabulary.com
6. spaced-out: Wordnik
7. spaced out: Cambridge Advanced Learner's Dictionary
8. spaced-out, spaced out: Wiktionary
9. spaced-out: Webster's New World College Dictionary, 4th Ed.
10. spaced-out: The Wordsmyth English Dictionary-Thesaurus
11. spaced-out: Infoplease Dictionary
12. spaced-out, spaced out: Dictionary.com
13. Spaced Out (film), Spaced Out: Wikipedia, the Free Encyclopedia
14. spaced-out: Rhymezone
15. spaced-out: FreeDictionary.org
16. spaced-out: Mnemonic Dictionary
17. spaced-out, spaced out: TheFreeDictionary.com

Business (1 matching dictionary)

18. spaced out: Legal dictionary

Computing (1 matching dictionary)

19. spaced-out, spaced out: Encyclopedia

Medicine (1 matching dictionary)

20. spaced out: Medical dictionary

Miscellaneous (1 matching dictionary)

21. spaced out: Idioms

Slang (2 matching dictionaries)

22. spaced out: English slang and colloquialisms used in the United Kingdom
23. spaced out: Urban Dictionary

Definitions from Wiktionary (spaced out) ▸ adjective:  (informal) In a confused or oblivious mental state, for example as a result of drug-taking. ▸ adjective:  Positioned at regular intervals with a specified space between them. Similar: spacy, fogged out, zoned, gone, lost in the sauce, dazed, dateless, lost, shatterbrained, barred out, more... Opposite: with it, together, aware, conscious Phrases: been spaced out, being spaced out, is spaced out, was spaced out, were spaced out, more... ▸ Words similar to spaced out ▸ Usage examples for spaced out ▸ Idioms related to spaced out ▸ Wikipedia articles (New!) ▸ Popular nouns described by spaced out ▸ Words that often appear near spaced out ▸ Rhymes of spaced out ▸ Invented words related to spaced out